carbon-lang/toolchain/check/testdata/for/pattern.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/for.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/for/pattern.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/for/pattern.carbon

// --- empty_range.carbon

library "[[@TEST_NAME]]";

class EmptyRange(T:! type) {
  fn Make() -> Self { return {}; }

  impl as Core.Iterate where .CursorType = {} and .ElementType = T {
    fn NewCursor[self: Self]() -> {} {
      return {};
    }
    fn Next[self: Self](cursor: {}*) -> Core.Optional(T) {
      return Core.Optional(T).None();
    }
  }
}

// --- value.carbon

library "[[@TEST_NAME]]";

import library "empty_range";

class C {}

fn Body(c: C);

fn Run() {
  //@dump-sem-ir-begin
  for (c: C in EmptyRange(C).Make()) {
    Body(c);
  }
  //@dump-sem-ir-end
}

// --- var.carbon

library "[[@TEST_NAME]]";

import library "empty_range";

class C {}

fn Body(c: C*);

fn Run() {
  //@dump-sem-ir-begin
  for (var c: C in EmptyRange(C).Make()) {
    Body(&c);
  }
  //@dump-sem-ir-end
}

// --- tuple.carbon

library "[[@TEST_NAME]]";

import library "empty_range";

fn Body(a: bool, b: bool);

fn Run() {
  //@dump-sem-ir-begin
  for ((a: bool, b: bool) in EmptyRange((bool, bool)).Make()) {
    Body(a, b);
  }
  //@dump-sem-ir-end
}

// --- tuple_class.carbon

library "[[@TEST_NAME]]";

import library "empty_range";

class C {}

fn Body(a: C, b: C);

fn Run() {
  //@dump-sem-ir-begin
  for ((a: C, b: C) in EmptyRange((C, C)).Make()) {
    Body(a, b);
  }
  //@dump-sem-ir-end
}

// --- fail_bad_pattern.carbon

library "[[@TEST_NAME]]";

import library "empty_range";

class X {}
class Y {}

fn Run() {
  // CHECK:STDERR: fail_bad_pattern.carbon:[[@LINE+7]]:7: error: cannot implicitly convert expression of type `Y` to `X` [ConversionFailure]
  // CHECK:STDERR:   for (x: X in EmptyRange(Y).Make()) {
  // CHECK:STDERR:       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // CHECK:STDERR: fail_bad_pattern.carbon:[[@LINE+4]]:7: note: type `Y` does not implement interface `Core.ImplicitAs(X)` [MissingImplInMemberAccessNote]
  // CHECK:STDERR:   for (x: X in EmptyRange(Y).Make()) {
  // CHECK:STDERR:       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // CHECK:STDERR:
  for (x: X in EmptyRange(Y).Make()) {
  }
}

// CHECK:STDOUT: --- value.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %pattern_type.c48: type = pattern_type %C [concrete]
// CHECK:STDOUT:   %Body.type: type = fn_type @Body [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %Body: %Body.type = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.c28: type = ptr_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %EmptyRange.type: type = generic_class_type @EmptyRange [concrete]
// CHECK:STDOUT:   %EmptyRange.generic: %EmptyRange.type = struct_value () [concrete]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %Make.type.bd2: type = fn_type @Make, @EmptyRange(%T) [symbolic]
// CHECK:STDOUT:   %Make.ed1: %Make.type.bd2 = struct_value () [symbolic]
// CHECK:STDOUT:   %EmptyRange.cc8: type = class_type @EmptyRange, @EmptyRange(%C) [concrete]
// CHECK:STDOUT:   %Make.type.557: type = fn_type @Make, @EmptyRange(%C) [concrete]
// CHECK:STDOUT:   %Make.74d: %Make.type.557 = struct_value () [concrete]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.74d, @Make(%C) [concrete]
// CHECK:STDOUT:   %Iterate.type: type = facet_type <@Iterate> [concrete]
// CHECK:STDOUT:   %NewCursor.type.427: type = fn_type @NewCursor.1 [concrete]
// CHECK:STDOUT:   %NewCursor.type.f5f: type = fn_type @NewCursor.2, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %NewCursor.ec1: %NewCursor.type.f5f = struct_value () [symbolic]
// CHECK:STDOUT:   %Next.type.264: type = fn_type @Next.1, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %Next.08e: %Next.type.264 = struct_value () [symbolic]
// CHECK:STDOUT:   %HasValue.type.f81: type = fn_type @HasValue, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %HasValue.6fd: %HasValue.type.f81 = struct_value () [symbolic]
// CHECK:STDOUT:   %Get.type.b8f: type = fn_type @Get, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %Get.9c8: %Get.type.b8f = struct_value () [symbolic]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %Op.type.989: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT:   %Op.type.ed4: type = fn_type @Op.2, @impl.d2b(%T) [symbolic]
// CHECK:STDOUT:   %Op.486: %Op.type.ed4 = struct_value () [symbolic]
// CHECK:STDOUT:   %Iterate.impl_witness.52a: <witness> = impl_witness imports.%Iterate.impl_witness_table, @impl.86e(%C) [concrete]
// CHECK:STDOUT:   %NewCursor.type.951: type = fn_type @NewCursor.2, @impl.86e(%C) [concrete]
// CHECK:STDOUT:   %NewCursor.535: %NewCursor.type.951 = struct_value () [concrete]
// CHECK:STDOUT:   %Next.type.63f: type = fn_type @Next.1, @impl.86e(%C) [concrete]
// CHECK:STDOUT:   %Next.899: %Next.type.63f = struct_value () [concrete]
// CHECK:STDOUT:   %Iterate.facet: %Iterate.type = facet_value %EmptyRange.cc8, (%Iterate.impl_witness.52a) [concrete]
// CHECK:STDOUT:   %.2f6: type = fn_type_with_self_type %NewCursor.type.427, %Iterate.facet [concrete]
// CHECK:STDOUT:   %NewCursor.specific_fn: <specific function> = specific_function %NewCursor.535, @NewCursor.2(%C) [concrete]
// CHECK:STDOUT:   %Next.type.941: type = fn_type @Next.2 [concrete]
// CHECK:STDOUT:   %.5d5: type = fn_type_with_self_type %Next.type.941, %Iterate.facet [concrete]
// CHECK:STDOUT:   %Optional.cf0: type = class_type @Optional, @Optional(%C) [concrete]
// CHECK:STDOUT:   %Next.specific_fn: <specific function> = specific_function %Next.899, @Next.1(%C) [concrete]
// CHECK:STDOUT:   %HasValue.type.71d: type = fn_type @HasValue, @Optional(%C) [concrete]
// CHECK:STDOUT:   %HasValue.513: %HasValue.type.71d = struct_value () [concrete]
// CHECK:STDOUT:   %Get.type.115: type = fn_type @Get, @Optional(%C) [concrete]
// CHECK:STDOUT:   %Get.9c1: %Get.type.115 = struct_value () [concrete]
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.513, @HasValue(%C) [concrete]
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.9c1, @Get(%C) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.832: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%C) [concrete]
// CHECK:STDOUT:   %Op.type.f77: type = fn_type @Op.2, @impl.d2b(%C) [concrete]
// CHECK:STDOUT:   %Op.01c: %Op.type.f77 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT:   %Destroy.facet.25e: %Destroy.type = facet_value %C, (%Destroy.impl_witness.832) [concrete]
// CHECK:STDOUT:   %.4cb: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.25e [concrete]
// CHECK:STDOUT:   %Op.specific_fn.abf: <specific function> = specific_function %Op.01c, @Op.2(%C) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.b21: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%Optional.cf0) [concrete]
// CHECK:STDOUT:   %Op.type.e93: type = fn_type @Op.2, @impl.d2b(%Optional.cf0) [concrete]
// CHECK:STDOUT:   %Op.a97: %Op.type.e93 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.8e6: type = ptr_type %Optional.cf0 [concrete]
// CHECK:STDOUT:   %Destroy.facet.f84: %Destroy.type = facet_value %Optional.cf0, (%Destroy.impl_witness.b21) [concrete]
// CHECK:STDOUT:   %.d26: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.f84 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.448: <specific function> = specific_function %Op.a97, @Op.2(%Optional.cf0) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.67e: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.type.8b2: type = fn_type @Op.2, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.ca6: %Op.type.8b2 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.facet.2a8: %Destroy.type = facet_value %empty_struct_type, (%Destroy.impl_witness.67e) [concrete]
// CHECK:STDOUT:   %.902: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.2a8 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.04c: <specific function> = specific_function %Op.ca6, @Op.2(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.805: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%EmptyRange.cc8) [concrete]
// CHECK:STDOUT:   %Op.type.699: type = fn_type @Op.2, @impl.d2b(%EmptyRange.cc8) [concrete]
// CHECK:STDOUT:   %Op.d12: %Op.type.699 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.35d: type = ptr_type %EmptyRange.cc8 [concrete]
// CHECK:STDOUT:   %Destroy.facet.5b2: %Destroy.type = facet_value %EmptyRange.cc8, (%Destroy.impl_witness.805) [concrete]
// CHECK:STDOUT:   %.73c: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.5b2 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.cc4: <specific function> = specific_function %Op.d12, @Op.2(%EmptyRange.cc8) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.EmptyRange: %EmptyRange.type = import_ref Main//empty_range, EmptyRange, loaded [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %Main.import_ref.6ea: @EmptyRange.%Make.type (%Make.type.bd2) = import_ref Main//empty_range, loc5_21, loaded [symbolic = @EmptyRange.%Make (constants.%Make.ed1)]
// CHECK:STDOUT:   %Main.import_ref.6ce = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.999 = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.57b: @impl.86e.%NewCursor.type (%NewCursor.type.f5f) = import_ref Main//empty_range, loc8_38, loaded [symbolic = @impl.86e.%NewCursor (constants.%NewCursor.ec1)]
// CHECK:STDOUT:   %Main.import_ref.170: @impl.86e.%Next.type (%Next.type.264) = import_ref Main//empty_range, loc11_58, loaded [symbolic = @impl.86e.%Next (constants.%Next.08e)]
// CHECK:STDOUT:   %Iterate.impl_witness_table = impl_witness_table (%Main.import_ref.6ce, %Main.import_ref.999, %Main.import_ref.57b, %Main.import_ref.170), @impl.86e [concrete]
// CHECK:STDOUT:   %Main.import_ref.7f9: @Optional.%HasValue.type (%HasValue.type.f81) = import_ref Main//empty_range, inst136 [indirect], loaded [symbolic = @Optional.%HasValue (constants.%HasValue.6fd)]
// CHECK:STDOUT:   %Main.import_ref.d10: @Optional.%Get.type (%Get.type.b8f) = import_ref Main//empty_range, inst137 [indirect], loaded [symbolic = @Optional.%Get (constants.%Get.9c8)]
// CHECK:STDOUT:   %Main.import_ref.fcc: @impl.d2b.%Op.type (%Op.type.ed4) = import_ref Main//empty_range, inst373 [indirect], loaded [symbolic = @impl.d2b.%Op (constants.%Op.486)]
// CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (%Main.import_ref.fcc), @impl.d2b [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %c.patt: %pattern_type.c48 = binding_pattern c [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %EmptyRange.ref: %EmptyRange.type = name_ref EmptyRange, imports.%Main.EmptyRange [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %C.ref.loc12_27: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %EmptyRange: type = class_type @EmptyRange, @EmptyRange(constants.%C) [concrete = constants.%EmptyRange.cc8]
// CHECK:STDOUT:   %.loc12_29: %Make.type.557 = specific_constant imports.%Main.import_ref.6ea, @EmptyRange(constants.%C) [concrete = constants.%Make.74d]
// CHECK:STDOUT:   %Make.ref: %Make.type.557 = name_ref Make, %.loc12_29 [concrete = constants.%Make.74d]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.ref, @Make(constants.%C) [concrete = constants.%Make.specific_fn]
// CHECK:STDOUT:   %.loc12_35.1: ref %EmptyRange.cc8 = temporary_storage
// CHECK:STDOUT:   %Make.call: init %EmptyRange.cc8 = call %Make.specific_fn() to %.loc12_35.1
// CHECK:STDOUT:   %.loc12_35.2: ref %EmptyRange.cc8 = temporary %.loc12_35.1, %Make.call
// CHECK:STDOUT:   %impl.elem2: %.2f6 = impl_witness_access constants.%Iterate.impl_witness.52a, element2 [concrete = constants.%NewCursor.535]
// CHECK:STDOUT:   %bound_method.loc12_36.1: <bound method> = bound_method %.loc12_35.2, %impl.elem2
// CHECK:STDOUT:   %specific_fn.loc12_36.1: <specific function> = specific_function %impl.elem2, @NewCursor.2(constants.%C) [concrete = constants.%NewCursor.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_36.2: <bound method> = bound_method %.loc12_35.2, %specific_fn.loc12_36.1
// CHECK:STDOUT:   %.loc12_35.3: %EmptyRange.cc8 = bind_value %.loc12_35.2
// CHECK:STDOUT:   %NewCursor.call: init %empty_struct_type = call %bound_method.loc12_36.2(%.loc12_35.3)
// CHECK:STDOUT:   %var: ref %empty_struct_type = var invalid
// CHECK:STDOUT:   assign %var, %NewCursor.call
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.next:
// CHECK:STDOUT:   %addr.loc12_36.1: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %impl.elem3: %.5d5 = impl_witness_access constants.%Iterate.impl_witness.52a, element3 [concrete = constants.%Next.899]
// CHECK:STDOUT:   %bound_method.loc12_36.3: <bound method> = bound_method %.loc12_35.2, %impl.elem3
// CHECK:STDOUT:   %specific_fn.loc12_36.2: <specific function> = specific_function %impl.elem3, @Next.1(constants.%C) [concrete = constants.%Next.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_36.4: <bound method> = bound_method %.loc12_35.2, %specific_fn.loc12_36.2
// CHECK:STDOUT:   %.loc12_36.1: ref %Optional.cf0 = temporary_storage
// CHECK:STDOUT:   %.loc12_35.4: %EmptyRange.cc8 = bind_value %.loc12_35.2
// CHECK:STDOUT:   %Next.call: init %Optional.cf0 = call %bound_method.loc12_36.4(%.loc12_35.4, %addr.loc12_36.1) to %.loc12_36.1
// CHECK:STDOUT:   %.loc12_36.2: ref %Optional.cf0 = temporary %.loc12_36.1, %Next.call
// CHECK:STDOUT:   %.loc12_36.3: %HasValue.type.71d = specific_constant imports.%Main.import_ref.7f9, @Optional(constants.%C) [concrete = constants.%HasValue.513]
// CHECK:STDOUT:   %HasValue.ref: %HasValue.type.71d = name_ref HasValue, %.loc12_36.3 [concrete = constants.%HasValue.513]
// CHECK:STDOUT:   %HasValue.bound: <bound method> = bound_method %.loc12_36.2, %HasValue.ref
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.ref, @HasValue(constants.%C) [concrete = constants.%HasValue.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_36.5: <bound method> = bound_method %.loc12_36.2, %HasValue.specific_fn
// CHECK:STDOUT:   %.loc12_36.4: %Optional.cf0 = bind_value %.loc12_36.2
// CHECK:STDOUT:   %HasValue.call: init bool = call %bound_method.loc12_36.5(%.loc12_36.4)
// CHECK:STDOUT:   %.loc12_36.5: bool = value_of_initializer %HasValue.call
// CHECK:STDOUT:   %.loc12_36.6: bool = converted %HasValue.call, %.loc12_36.5
// CHECK:STDOUT:   if %.loc12_36.6 br !for.body else br !for.done
// CHECK:STDOUT:
// CHECK:STDOUT: !for.body:
// CHECK:STDOUT:   %.loc12_36.7: %Get.type.115 = specific_constant imports.%Main.import_ref.d10, @Optional(constants.%C) [concrete = constants.%Get.9c1]
// CHECK:STDOUT:   %Get.ref: %Get.type.115 = name_ref Get, %.loc12_36.7 [concrete = constants.%Get.9c1]
// CHECK:STDOUT:   %Get.bound: <bound method> = bound_method %.loc12_36.2, %Get.ref
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.ref, @Get(constants.%C) [concrete = constants.%Get.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_36.6: <bound method> = bound_method %.loc12_36.2, %Get.specific_fn
// CHECK:STDOUT:   %.loc12_36.8: ref %C = temporary_storage
// CHECK:STDOUT:   %.loc12_36.9: %Optional.cf0 = bind_value %.loc12_36.2
// CHECK:STDOUT:   %Get.call: init %C = call %bound_method.loc12_36.6(%.loc12_36.9) to %.loc12_36.8
// CHECK:STDOUT:   %C.ref.loc12_11: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %.loc12_36.10: ref %C = temporary %.loc12_36.8, %Get.call
// CHECK:STDOUT:   %.loc12_36.11: %C = bind_value %.loc12_36.10
// CHECK:STDOUT:   %c: %C = bind_name c, %.loc12_36.11
// CHECK:STDOUT:   %Body.ref: %Body.type = name_ref Body, file.%Body.decl [concrete = constants.%Body]
// CHECK:STDOUT:   %c.ref: %C = name_ref c, %c
// CHECK:STDOUT:   %Body.call: init %empty_tuple.type = call %Body.ref(%c.ref)
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.done:
// CHECK:STDOUT:   %impl.elem0.loc12_36.1: %.4cb = impl_witness_access constants.%Destroy.impl_witness.832, element0 [concrete = constants.%Op.01c]
// CHECK:STDOUT:   %bound_method.loc12_36.7: <bound method> = bound_method %.loc12_36.8, %impl.elem0.loc12_36.1
// CHECK:STDOUT:   %specific_fn.loc12_36.3: <specific function> = specific_function %impl.elem0.loc12_36.1, @Op.2(constants.%C) [concrete = constants.%Op.specific_fn.abf]
// CHECK:STDOUT:   %bound_method.loc12_36.8: <bound method> = bound_method %.loc12_36.8, %specific_fn.loc12_36.3
// CHECK:STDOUT:   %addr.loc12_36.2: %ptr.019 = addr_of %.loc12_36.8
// CHECK:STDOUT:   %no_op.loc12_36.1: init %empty_tuple.type = call %bound_method.loc12_36.8(%addr.loc12_36.2)
// CHECK:STDOUT:   %impl.elem0.loc12_36.2: %.d26 = impl_witness_access constants.%Destroy.impl_witness.b21, element0 [concrete = constants.%Op.a97]
// CHECK:STDOUT:   %bound_method.loc12_36.9: <bound method> = bound_method %.loc12_36.1, %impl.elem0.loc12_36.2
// CHECK:STDOUT:   %specific_fn.loc12_36.4: <specific function> = specific_function %impl.elem0.loc12_36.2, @Op.2(constants.%Optional.cf0) [concrete = constants.%Op.specific_fn.448]
// CHECK:STDOUT:   %bound_method.loc12_36.10: <bound method> = bound_method %.loc12_36.1, %specific_fn.loc12_36.4
// CHECK:STDOUT:   %addr.loc12_36.3: %ptr.8e6 = addr_of %.loc12_36.1
// CHECK:STDOUT:   %no_op.loc12_36.2: init %empty_tuple.type = call %bound_method.loc12_36.10(%addr.loc12_36.3)
// CHECK:STDOUT:   %impl.elem0.loc12_36.3: %.902 = impl_witness_access constants.%Destroy.impl_witness.67e, element0 [concrete = constants.%Op.ca6]
// CHECK:STDOUT:   %bound_method.loc12_36.11: <bound method> = bound_method %var, %impl.elem0.loc12_36.3
// CHECK:STDOUT:   %specific_fn.loc12_36.5: <specific function> = specific_function %impl.elem0.loc12_36.3, @Op.2(constants.%empty_struct_type) [concrete = constants.%Op.specific_fn.04c]
// CHECK:STDOUT:   %bound_method.loc12_36.12: <bound method> = bound_method %var, %specific_fn.loc12_36.5
// CHECK:STDOUT:   %addr.loc12_36.4: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %no_op.loc12_36.3: init %empty_tuple.type = call %bound_method.loc12_36.12(%addr.loc12_36.4)
// CHECK:STDOUT:   %impl.elem0.loc12_35: %.73c = impl_witness_access constants.%Destroy.impl_witness.805, element0 [concrete = constants.%Op.d12]
// CHECK:STDOUT:   %bound_method.loc12_35.1: <bound method> = bound_method %.loc12_35.1, %impl.elem0.loc12_35
// CHECK:STDOUT:   %specific_fn.loc12_35: <specific function> = specific_function %impl.elem0.loc12_35, @Op.2(constants.%EmptyRange.cc8) [concrete = constants.%Op.specific_fn.cc4]
// CHECK:STDOUT:   %bound_method.loc12_35.2: <bound method> = bound_method %.loc12_35.1, %specific_fn.loc12_35
// CHECK:STDOUT:   %addr.loc12_35: %ptr.35d = addr_of %.loc12_35.1
// CHECK:STDOUT:   %no_op.loc12_35: init %empty_tuple.type = call %bound_method.loc12_35.2(%addr.loc12_35)
// CHECK:STDOUT:   <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- var.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT:   %Body.type: type = fn_type @Body [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %Body: %Body.type = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.c28: type = ptr_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %pattern_type.c48: type = pattern_type %C [concrete]
// CHECK:STDOUT:   %EmptyRange.type: type = generic_class_type @EmptyRange [concrete]
// CHECK:STDOUT:   %EmptyRange.generic: %EmptyRange.type = struct_value () [concrete]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %Make.type.bd2: type = fn_type @Make, @EmptyRange(%T) [symbolic]
// CHECK:STDOUT:   %Make.ed1: %Make.type.bd2 = struct_value () [symbolic]
// CHECK:STDOUT:   %EmptyRange.cc8: type = class_type @EmptyRange, @EmptyRange(%C) [concrete]
// CHECK:STDOUT:   %Make.type.557: type = fn_type @Make, @EmptyRange(%C) [concrete]
// CHECK:STDOUT:   %Make.74d: %Make.type.557 = struct_value () [concrete]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.74d, @Make(%C) [concrete]
// CHECK:STDOUT:   %Iterate.type: type = facet_type <@Iterate> [concrete]
// CHECK:STDOUT:   %NewCursor.type.427: type = fn_type @NewCursor.1 [concrete]
// CHECK:STDOUT:   %NewCursor.type.f5f: type = fn_type @NewCursor.2, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %NewCursor.ec1: %NewCursor.type.f5f = struct_value () [symbolic]
// CHECK:STDOUT:   %Next.type.264: type = fn_type @Next.1, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %Next.08e: %Next.type.264 = struct_value () [symbolic]
// CHECK:STDOUT:   %HasValue.type.f81: type = fn_type @HasValue, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %HasValue.6fd: %HasValue.type.f81 = struct_value () [symbolic]
// CHECK:STDOUT:   %Get.type.b8f: type = fn_type @Get, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %Get.9c8: %Get.type.b8f = struct_value () [symbolic]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %Op.type.989: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT:   %Op.type.ed4: type = fn_type @Op.2, @impl.d2b(%T) [symbolic]
// CHECK:STDOUT:   %Op.486: %Op.type.ed4 = struct_value () [symbolic]
// CHECK:STDOUT:   %Iterate.impl_witness.52a: <witness> = impl_witness imports.%Iterate.impl_witness_table, @impl.86e(%C) [concrete]
// CHECK:STDOUT:   %NewCursor.type.951: type = fn_type @NewCursor.2, @impl.86e(%C) [concrete]
// CHECK:STDOUT:   %NewCursor.535: %NewCursor.type.951 = struct_value () [concrete]
// CHECK:STDOUT:   %Next.type.63f: type = fn_type @Next.1, @impl.86e(%C) [concrete]
// CHECK:STDOUT:   %Next.899: %Next.type.63f = struct_value () [concrete]
// CHECK:STDOUT:   %Iterate.facet: %Iterate.type = facet_value %EmptyRange.cc8, (%Iterate.impl_witness.52a) [concrete]
// CHECK:STDOUT:   %.2f6: type = fn_type_with_self_type %NewCursor.type.427, %Iterate.facet [concrete]
// CHECK:STDOUT:   %NewCursor.specific_fn: <specific function> = specific_function %NewCursor.535, @NewCursor.2(%C) [concrete]
// CHECK:STDOUT:   %Next.type.941: type = fn_type @Next.2 [concrete]
// CHECK:STDOUT:   %.5d5: type = fn_type_with_self_type %Next.type.941, %Iterate.facet [concrete]
// CHECK:STDOUT:   %Optional.cf0: type = class_type @Optional, @Optional(%C) [concrete]
// CHECK:STDOUT:   %Next.specific_fn: <specific function> = specific_function %Next.899, @Next.1(%C) [concrete]
// CHECK:STDOUT:   %HasValue.type.71d: type = fn_type @HasValue, @Optional(%C) [concrete]
// CHECK:STDOUT:   %HasValue.513: %HasValue.type.71d = struct_value () [concrete]
// CHECK:STDOUT:   %Get.type.115: type = fn_type @Get, @Optional(%C) [concrete]
// CHECK:STDOUT:   %Get.9c1: %Get.type.115 = struct_value () [concrete]
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.513, @HasValue(%C) [concrete]
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.9c1, @Get(%C) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.832: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%C) [concrete]
// CHECK:STDOUT:   %Op.type.f77: type = fn_type @Op.2, @impl.d2b(%C) [concrete]
// CHECK:STDOUT:   %Op.01c: %Op.type.f77 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.facet.25e: %Destroy.type = facet_value %C, (%Destroy.impl_witness.832) [concrete]
// CHECK:STDOUT:   %.4cb: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.25e [concrete]
// CHECK:STDOUT:   %Op.specific_fn.abf: <specific function> = specific_function %Op.01c, @Op.2(%C) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.b21: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%Optional.cf0) [concrete]
// CHECK:STDOUT:   %Op.type.e93: type = fn_type @Op.2, @impl.d2b(%Optional.cf0) [concrete]
// CHECK:STDOUT:   %Op.a97: %Op.type.e93 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.8e6: type = ptr_type %Optional.cf0 [concrete]
// CHECK:STDOUT:   %Destroy.facet.f84: %Destroy.type = facet_value %Optional.cf0, (%Destroy.impl_witness.b21) [concrete]
// CHECK:STDOUT:   %.d26: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.f84 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.448: <specific function> = specific_function %Op.a97, @Op.2(%Optional.cf0) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.67e: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.type.8b2: type = fn_type @Op.2, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.ca6: %Op.type.8b2 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.facet.2a8: %Destroy.type = facet_value %empty_struct_type, (%Destroy.impl_witness.67e) [concrete]
// CHECK:STDOUT:   %.902: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.2a8 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.04c: <specific function> = specific_function %Op.ca6, @Op.2(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.805: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%EmptyRange.cc8) [concrete]
// CHECK:STDOUT:   %Op.type.699: type = fn_type @Op.2, @impl.d2b(%EmptyRange.cc8) [concrete]
// CHECK:STDOUT:   %Op.d12: %Op.type.699 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.35d: type = ptr_type %EmptyRange.cc8 [concrete]
// CHECK:STDOUT:   %Destroy.facet.5b2: %Destroy.type = facet_value %EmptyRange.cc8, (%Destroy.impl_witness.805) [concrete]
// CHECK:STDOUT:   %.73c: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.5b2 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.cc4: <specific function> = specific_function %Op.d12, @Op.2(%EmptyRange.cc8) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.EmptyRange: %EmptyRange.type = import_ref Main//empty_range, EmptyRange, loaded [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %Main.import_ref.6ea: @EmptyRange.%Make.type (%Make.type.bd2) = import_ref Main//empty_range, loc5_21, loaded [symbolic = @EmptyRange.%Make (constants.%Make.ed1)]
// CHECK:STDOUT:   %Main.import_ref.6ce = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.999 = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.57b: @impl.86e.%NewCursor.type (%NewCursor.type.f5f) = import_ref Main//empty_range, loc8_38, loaded [symbolic = @impl.86e.%NewCursor (constants.%NewCursor.ec1)]
// CHECK:STDOUT:   %Main.import_ref.170: @impl.86e.%Next.type (%Next.type.264) = import_ref Main//empty_range, loc11_58, loaded [symbolic = @impl.86e.%Next (constants.%Next.08e)]
// CHECK:STDOUT:   %Iterate.impl_witness_table = impl_witness_table (%Main.import_ref.6ce, %Main.import_ref.999, %Main.import_ref.57b, %Main.import_ref.170), @impl.86e [concrete]
// CHECK:STDOUT:   %Main.import_ref.7f9: @Optional.%HasValue.type (%HasValue.type.f81) = import_ref Main//empty_range, inst136 [indirect], loaded [symbolic = @Optional.%HasValue (constants.%HasValue.6fd)]
// CHECK:STDOUT:   %Main.import_ref.d10: @Optional.%Get.type (%Get.type.b8f) = import_ref Main//empty_range, inst137 [indirect], loaded [symbolic = @Optional.%Get (constants.%Get.9c8)]
// CHECK:STDOUT:   %Main.import_ref.fcc: @impl.d2b.%Op.type (%Op.type.ed4) = import_ref Main//empty_range, inst373 [indirect], loaded [symbolic = @impl.d2b.%Op (constants.%Op.486)]
// CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (%Main.import_ref.fcc), @impl.d2b [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %c.patt: %pattern_type.c48 = binding_pattern c [concrete]
// CHECK:STDOUT:     %c.var_patt: %pattern_type.c48 = var_pattern %c.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %EmptyRange.ref: %EmptyRange.type = name_ref EmptyRange, imports.%Main.EmptyRange [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %C.ref.loc12_31: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %EmptyRange: type = class_type @EmptyRange, @EmptyRange(constants.%C) [concrete = constants.%EmptyRange.cc8]
// CHECK:STDOUT:   %.loc12_33: %Make.type.557 = specific_constant imports.%Main.import_ref.6ea, @EmptyRange(constants.%C) [concrete = constants.%Make.74d]
// CHECK:STDOUT:   %Make.ref: %Make.type.557 = name_ref Make, %.loc12_33 [concrete = constants.%Make.74d]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.ref, @Make(constants.%C) [concrete = constants.%Make.specific_fn]
// CHECK:STDOUT:   %.loc12_39.1: ref %EmptyRange.cc8 = temporary_storage
// CHECK:STDOUT:   %Make.call: init %EmptyRange.cc8 = call %Make.specific_fn() to %.loc12_39.1
// CHECK:STDOUT:   %.loc12_39.2: ref %EmptyRange.cc8 = temporary %.loc12_39.1, %Make.call
// CHECK:STDOUT:   %impl.elem2: %.2f6 = impl_witness_access constants.%Iterate.impl_witness.52a, element2 [concrete = constants.%NewCursor.535]
// CHECK:STDOUT:   %bound_method.loc12_40.1: <bound method> = bound_method %.loc12_39.2, %impl.elem2
// CHECK:STDOUT:   %specific_fn.loc12_40.1: <specific function> = specific_function %impl.elem2, @NewCursor.2(constants.%C) [concrete = constants.%NewCursor.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_40.2: <bound method> = bound_method %.loc12_39.2, %specific_fn.loc12_40.1
// CHECK:STDOUT:   %.loc12_39.3: %EmptyRange.cc8 = bind_value %.loc12_39.2
// CHECK:STDOUT:   %NewCursor.call: init %empty_struct_type = call %bound_method.loc12_40.2(%.loc12_39.3)
// CHECK:STDOUT:   %var: ref %empty_struct_type = var invalid
// CHECK:STDOUT:   assign %var, %NewCursor.call
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.next:
// CHECK:STDOUT:   %addr.loc12_40.1: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %impl.elem3: %.5d5 = impl_witness_access constants.%Iterate.impl_witness.52a, element3 [concrete = constants.%Next.899]
// CHECK:STDOUT:   %bound_method.loc12_40.3: <bound method> = bound_method %.loc12_39.2, %impl.elem3
// CHECK:STDOUT:   %specific_fn.loc12_40.2: <specific function> = specific_function %impl.elem3, @Next.1(constants.%C) [concrete = constants.%Next.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_40.4: <bound method> = bound_method %.loc12_39.2, %specific_fn.loc12_40.2
// CHECK:STDOUT:   %.loc12_40.1: ref %Optional.cf0 = temporary_storage
// CHECK:STDOUT:   %.loc12_39.4: %EmptyRange.cc8 = bind_value %.loc12_39.2
// CHECK:STDOUT:   %Next.call: init %Optional.cf0 = call %bound_method.loc12_40.4(%.loc12_39.4, %addr.loc12_40.1) to %.loc12_40.1
// CHECK:STDOUT:   %.loc12_40.2: ref %Optional.cf0 = temporary %.loc12_40.1, %Next.call
// CHECK:STDOUT:   %.loc12_40.3: %HasValue.type.71d = specific_constant imports.%Main.import_ref.7f9, @Optional(constants.%C) [concrete = constants.%HasValue.513]
// CHECK:STDOUT:   %HasValue.ref: %HasValue.type.71d = name_ref HasValue, %.loc12_40.3 [concrete = constants.%HasValue.513]
// CHECK:STDOUT:   %HasValue.bound: <bound method> = bound_method %.loc12_40.2, %HasValue.ref
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.ref, @HasValue(constants.%C) [concrete = constants.%HasValue.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_40.5: <bound method> = bound_method %.loc12_40.2, %HasValue.specific_fn
// CHECK:STDOUT:   %.loc12_40.4: %Optional.cf0 = bind_value %.loc12_40.2
// CHECK:STDOUT:   %HasValue.call: init bool = call %bound_method.loc12_40.5(%.loc12_40.4)
// CHECK:STDOUT:   %.loc12_40.5: bool = value_of_initializer %HasValue.call
// CHECK:STDOUT:   %.loc12_40.6: bool = converted %HasValue.call, %.loc12_40.5
// CHECK:STDOUT:   if %.loc12_40.6 br !for.body else br !for.done
// CHECK:STDOUT:
// CHECK:STDOUT: !for.body:
// CHECK:STDOUT:   %c.var: ref %C = var %c.var_patt
// CHECK:STDOUT:   %.loc12_40.7: %Get.type.115 = specific_constant imports.%Main.import_ref.d10, @Optional(constants.%C) [concrete = constants.%Get.9c1]
// CHECK:STDOUT:   %Get.ref: %Get.type.115 = name_ref Get, %.loc12_40.7 [concrete = constants.%Get.9c1]
// CHECK:STDOUT:   %Get.bound: <bound method> = bound_method %.loc12_40.2, %Get.ref
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.ref, @Get(constants.%C) [concrete = constants.%Get.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_40.6: <bound method> = bound_method %.loc12_40.2, %Get.specific_fn
// CHECK:STDOUT:   %.loc12_8: ref %C = splice_block %c.var {}
// CHECK:STDOUT:   %.loc12_40.8: %Optional.cf0 = bind_value %.loc12_40.2
// CHECK:STDOUT:   %Get.call: init %C = call %bound_method.loc12_40.6(%.loc12_40.8) to %.loc12_8
// CHECK:STDOUT:   assign %c.var, %Get.call
// CHECK:STDOUT:   %C.ref.loc12_15: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %c: ref %C = bind_name c, %c.var
// CHECK:STDOUT:   %Body.ref: %Body.type = name_ref Body, file.%Body.decl [concrete = constants.%Body]
// CHECK:STDOUT:   %c.ref: ref %C = name_ref c, %c
// CHECK:STDOUT:   %addr.loc13: %ptr.019 = addr_of %c.ref
// CHECK:STDOUT:   %Body.call: init %empty_tuple.type = call %Body.ref(%addr.loc13)
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.done:
// CHECK:STDOUT:   %impl.elem0.loc12_8.1: %.4cb = impl_witness_access constants.%Destroy.impl_witness.832, element0 [concrete = constants.%Op.01c]
// CHECK:STDOUT:   %bound_method.loc12_8.1: <bound method> = bound_method %.loc12_8, %impl.elem0.loc12_8.1
// CHECK:STDOUT:   %specific_fn.loc12_8.1: <specific function> = specific_function %impl.elem0.loc12_8.1, @Op.2(constants.%C) [concrete = constants.%Op.specific_fn.abf]
// CHECK:STDOUT:   %bound_method.loc12_8.2: <bound method> = bound_method %.loc12_8, %specific_fn.loc12_8.1
// CHECK:STDOUT:   %addr.loc12_8.1: %ptr.019 = addr_of %.loc12_8
// CHECK:STDOUT:   %no_op.loc12_8.1: init %empty_tuple.type = call %bound_method.loc12_8.2(%addr.loc12_8.1)
// CHECK:STDOUT:   %impl.elem0.loc12_8.2: %.4cb = impl_witness_access constants.%Destroy.impl_witness.832, element0 [concrete = constants.%Op.01c]
// CHECK:STDOUT:   %bound_method.loc12_8.3: <bound method> = bound_method %c.var, %impl.elem0.loc12_8.2
// CHECK:STDOUT:   %specific_fn.loc12_8.2: <specific function> = specific_function %impl.elem0.loc12_8.2, @Op.2(constants.%C) [concrete = constants.%Op.specific_fn.abf]
// CHECK:STDOUT:   %bound_method.loc12_8.4: <bound method> = bound_method %c.var, %specific_fn.loc12_8.2
// CHECK:STDOUT:   %addr.loc12_8.2: %ptr.019 = addr_of %c.var
// CHECK:STDOUT:   %no_op.loc12_8.2: init %empty_tuple.type = call %bound_method.loc12_8.4(%addr.loc12_8.2)
// CHECK:STDOUT:   %impl.elem0.loc12_40.1: %.d26 = impl_witness_access constants.%Destroy.impl_witness.b21, element0 [concrete = constants.%Op.a97]
// CHECK:STDOUT:   %bound_method.loc12_40.7: <bound method> = bound_method %.loc12_40.1, %impl.elem0.loc12_40.1
// CHECK:STDOUT:   %specific_fn.loc12_40.3: <specific function> = specific_function %impl.elem0.loc12_40.1, @Op.2(constants.%Optional.cf0) [concrete = constants.%Op.specific_fn.448]
// CHECK:STDOUT:   %bound_method.loc12_40.8: <bound method> = bound_method %.loc12_40.1, %specific_fn.loc12_40.3
// CHECK:STDOUT:   %addr.loc12_40.2: %ptr.8e6 = addr_of %.loc12_40.1
// CHECK:STDOUT:   %no_op.loc12_40.1: init %empty_tuple.type = call %bound_method.loc12_40.8(%addr.loc12_40.2)
// CHECK:STDOUT:   %impl.elem0.loc12_40.2: %.902 = impl_witness_access constants.%Destroy.impl_witness.67e, element0 [concrete = constants.%Op.ca6]
// CHECK:STDOUT:   %bound_method.loc12_40.9: <bound method> = bound_method %var, %impl.elem0.loc12_40.2
// CHECK:STDOUT:   %specific_fn.loc12_40.4: <specific function> = specific_function %impl.elem0.loc12_40.2, @Op.2(constants.%empty_struct_type) [concrete = constants.%Op.specific_fn.04c]
// CHECK:STDOUT:   %bound_method.loc12_40.10: <bound method> = bound_method %var, %specific_fn.loc12_40.4
// CHECK:STDOUT:   %addr.loc12_40.3: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %no_op.loc12_40.2: init %empty_tuple.type = call %bound_method.loc12_40.10(%addr.loc12_40.3)
// CHECK:STDOUT:   %impl.elem0.loc12_39: %.73c = impl_witness_access constants.%Destroy.impl_witness.805, element0 [concrete = constants.%Op.d12]
// CHECK:STDOUT:   %bound_method.loc12_39.1: <bound method> = bound_method %.loc12_39.1, %impl.elem0.loc12_39
// CHECK:STDOUT:   %specific_fn.loc12_39: <specific function> = specific_function %impl.elem0.loc12_39, @Op.2(constants.%EmptyRange.cc8) [concrete = constants.%Op.specific_fn.cc4]
// CHECK:STDOUT:   %bound_method.loc12_39.2: <bound method> = bound_method %.loc12_39.1, %specific_fn.loc12_39
// CHECK:STDOUT:   %addr.loc12_39: %ptr.35d = addr_of %.loc12_39.1
// CHECK:STDOUT:   %no_op.loc12_39: init %empty_tuple.type = call %bound_method.loc12_39.2(%addr.loc12_39)
// CHECK:STDOUT:   <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- tuple.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [concrete]
// CHECK:STDOUT:   %pattern_type.831: type = pattern_type bool [concrete]
// CHECK:STDOUT:   %Body.type: type = fn_type @Body [concrete]
// CHECK:STDOUT:   %Body: %Body.type = struct_value () [concrete]
// CHECK:STDOUT:   %tuple.type.784: type = tuple_type (bool, bool) [concrete]
// CHECK:STDOUT:   %pattern_type.860: type = pattern_type %tuple.type.784 [concrete]
// CHECK:STDOUT:   %EmptyRange.type: type = generic_class_type @EmptyRange [concrete]
// CHECK:STDOUT:   %EmptyRange.generic: %EmptyRange.type = struct_value () [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %Make.type.bd2: type = fn_type @Make, @EmptyRange(%T) [symbolic]
// CHECK:STDOUT:   %Make.ed1: %Make.type.bd2 = struct_value () [symbolic]
// CHECK:STDOUT:   %tuple.type.24b: type = tuple_type (type, type) [concrete]
// CHECK:STDOUT:   %EmptyRange.2f3: type = class_type @EmptyRange, @EmptyRange(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Make.type.4fb: type = fn_type @Make, @EmptyRange(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Make.743: %Make.type.4fb = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.c28: type = ptr_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.743, @Make(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Iterate.type: type = facet_type <@Iterate> [concrete]
// CHECK:STDOUT:   %NewCursor.type.427: type = fn_type @NewCursor.1 [concrete]
// CHECK:STDOUT:   %NewCursor.type.f5f: type = fn_type @NewCursor.2, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %NewCursor.ec1: %NewCursor.type.f5f = struct_value () [symbolic]
// CHECK:STDOUT:   %Next.type.264: type = fn_type @Next.1, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %Next.08e: %Next.type.264 = struct_value () [symbolic]
// CHECK:STDOUT:   %HasValue.type.f81: type = fn_type @HasValue, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %HasValue.6fd: %HasValue.type.f81 = struct_value () [symbolic]
// CHECK:STDOUT:   %Get.type.b8f: type = fn_type @Get, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %Get.9c8: %Get.type.b8f = struct_value () [symbolic]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %Op.type.989: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT:   %Op.type.ed4: type = fn_type @Op.2, @impl.d2b(%T) [symbolic]
// CHECK:STDOUT:   %Op.486: %Op.type.ed4 = struct_value () [symbolic]
// CHECK:STDOUT:   %Iterate.impl_witness.6db: <witness> = impl_witness imports.%Iterate.impl_witness_table, @impl.86e(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %NewCursor.type.d32: type = fn_type @NewCursor.2, @impl.86e(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %NewCursor.763: %NewCursor.type.d32 = struct_value () [concrete]
// CHECK:STDOUT:   %Next.type.482: type = fn_type @Next.1, @impl.86e(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Next.e60: %Next.type.482 = struct_value () [concrete]
// CHECK:STDOUT:   %Iterate.facet: %Iterate.type = facet_value %EmptyRange.2f3, (%Iterate.impl_witness.6db) [concrete]
// CHECK:STDOUT:   %.2bf: type = fn_type_with_self_type %NewCursor.type.427, %Iterate.facet [concrete]
// CHECK:STDOUT:   %NewCursor.specific_fn: <specific function> = specific_function %NewCursor.763, @NewCursor.2(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Next.type.941: type = fn_type @Next.2 [concrete]
// CHECK:STDOUT:   %.6aa: type = fn_type_with_self_type %Next.type.941, %Iterate.facet [concrete]
// CHECK:STDOUT:   %Optional.79e: type = class_type @Optional, @Optional(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Next.specific_fn: <specific function> = specific_function %Next.e60, @Next.1(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %HasValue.type.414: type = fn_type @HasValue, @Optional(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %HasValue.4f9: %HasValue.type.414 = struct_value () [concrete]
// CHECK:STDOUT:   %Get.type.ebd: type = fn_type @Get, @Optional(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Get.d99: %Get.type.ebd = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.b85: type = ptr_type %tuple.type.784 [concrete]
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.4f9, @HasValue(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.d99, @Get(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.356: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Op.type.973: type = fn_type @Op.2, @impl.d2b(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Op.149: %Op.type.973 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.facet.833: %Destroy.type = facet_value %tuple.type.784, (%Destroy.impl_witness.356) [concrete]
// CHECK:STDOUT:   %.f45: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.833 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.14c: <specific function> = specific_function %Op.149, @Op.2(%tuple.type.784) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.4cb: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%Optional.79e) [concrete]
// CHECK:STDOUT:   %Op.type.1cc: type = fn_type @Op.2, @impl.d2b(%Optional.79e) [concrete]
// CHECK:STDOUT:   %Op.3ef: %Op.type.1cc = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.07d: type = ptr_type %Optional.79e [concrete]
// CHECK:STDOUT:   %Destroy.facet.58b: %Destroy.type = facet_value %Optional.79e, (%Destroy.impl_witness.4cb) [concrete]
// CHECK:STDOUT:   %.df3: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.58b [concrete]
// CHECK:STDOUT:   %Op.specific_fn.01c: <specific function> = specific_function %Op.3ef, @Op.2(%Optional.79e) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.67e: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.type.8b2: type = fn_type @Op.2, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.ca6: %Op.type.8b2 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.facet.2a8: %Destroy.type = facet_value %empty_struct_type, (%Destroy.impl_witness.67e) [concrete]
// CHECK:STDOUT:   %.902: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.2a8 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.04c: <specific function> = specific_function %Op.ca6, @Op.2(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.e89: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%EmptyRange.2f3) [concrete]
// CHECK:STDOUT:   %Op.type.f1e: type = fn_type @Op.2, @impl.d2b(%EmptyRange.2f3) [concrete]
// CHECK:STDOUT:   %Op.155: %Op.type.f1e = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.5cf: type = ptr_type %EmptyRange.2f3 [concrete]
// CHECK:STDOUT:   %Destroy.facet.dcc: %Destroy.type = facet_value %EmptyRange.2f3, (%Destroy.impl_witness.e89) [concrete]
// CHECK:STDOUT:   %.be5: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.dcc [concrete]
// CHECK:STDOUT:   %Op.specific_fn.e02: <specific function> = specific_function %Op.155, @Op.2(%EmptyRange.2f3) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.EmptyRange: %EmptyRange.type = import_ref Main//empty_range, EmptyRange, loaded [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %Main.import_ref.6ea: @EmptyRange.%Make.type (%Make.type.bd2) = import_ref Main//empty_range, loc5_21, loaded [symbolic = @EmptyRange.%Make (constants.%Make.ed1)]
// CHECK:STDOUT:   %Main.import_ref.6ce = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.999 = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.57b: @impl.86e.%NewCursor.type (%NewCursor.type.f5f) = import_ref Main//empty_range, loc8_38, loaded [symbolic = @impl.86e.%NewCursor (constants.%NewCursor.ec1)]
// CHECK:STDOUT:   %Main.import_ref.170: @impl.86e.%Next.type (%Next.type.264) = import_ref Main//empty_range, loc11_58, loaded [symbolic = @impl.86e.%Next (constants.%Next.08e)]
// CHECK:STDOUT:   %Iterate.impl_witness_table = impl_witness_table (%Main.import_ref.6ce, %Main.import_ref.999, %Main.import_ref.57b, %Main.import_ref.170), @impl.86e [concrete]
// CHECK:STDOUT:   %Main.import_ref.7f9: @Optional.%HasValue.type (%HasValue.type.f81) = import_ref Main//empty_range, inst136 [indirect], loaded [symbolic = @Optional.%HasValue (constants.%HasValue.6fd)]
// CHECK:STDOUT:   %Main.import_ref.d10: @Optional.%Get.type (%Get.type.b8f) = import_ref Main//empty_range, inst137 [indirect], loaded [symbolic = @Optional.%Get (constants.%Get.9c8)]
// CHECK:STDOUT:   %Main.import_ref.fcc: @impl.d2b.%Op.type (%Op.type.ed4) = import_ref Main//empty_range, inst373 [indirect], loaded [symbolic = @impl.d2b.%Op (constants.%Op.486)]
// CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (%Main.import_ref.fcc), @impl.d2b [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %a.patt: %pattern_type.831 = binding_pattern a [concrete]
// CHECK:STDOUT:     %b.patt: %pattern_type.831 = binding_pattern b [concrete]
// CHECK:STDOUT:     %.loc10_25: %pattern_type.860 = tuple_pattern (%a.patt, %b.patt) [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %EmptyRange.ref: %EmptyRange.type = name_ref EmptyRange, imports.%Main.EmptyRange [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %bool.make_type.loc10_42: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT:   %bool.make_type.loc10_48: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT:   %.loc10_52: %tuple.type.24b = tuple_literal (%bool.make_type.loc10_42, %bool.make_type.loc10_48)
// CHECK:STDOUT:   %.loc10_53.1: type = value_of_initializer %bool.make_type.loc10_42 [concrete = bool]
// CHECK:STDOUT:   %.loc10_53.2: type = converted %bool.make_type.loc10_42, %.loc10_53.1 [concrete = bool]
// CHECK:STDOUT:   %.loc10_53.3: type = value_of_initializer %bool.make_type.loc10_48 [concrete = bool]
// CHECK:STDOUT:   %.loc10_53.4: type = converted %bool.make_type.loc10_48, %.loc10_53.3 [concrete = bool]
// CHECK:STDOUT:   %.loc10_53.5: type = converted %.loc10_52, constants.%tuple.type.784 [concrete = constants.%tuple.type.784]
// CHECK:STDOUT:   %EmptyRange: type = class_type @EmptyRange, @EmptyRange(constants.%tuple.type.784) [concrete = constants.%EmptyRange.2f3]
// CHECK:STDOUT:   %.loc10_54: %Make.type.4fb = specific_constant imports.%Main.import_ref.6ea, @EmptyRange(constants.%tuple.type.784) [concrete = constants.%Make.743]
// CHECK:STDOUT:   %Make.ref: %Make.type.4fb = name_ref Make, %.loc10_54 [concrete = constants.%Make.743]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.ref, @Make(constants.%tuple.type.784) [concrete = constants.%Make.specific_fn]
// CHECK:STDOUT:   %.loc10_60.1: ref %EmptyRange.2f3 = temporary_storage
// CHECK:STDOUT:   %Make.call: init %EmptyRange.2f3 = call %Make.specific_fn() to %.loc10_60.1
// CHECK:STDOUT:   %.loc10_60.2: ref %EmptyRange.2f3 = temporary %.loc10_60.1, %Make.call
// CHECK:STDOUT:   %impl.elem2: %.2bf = impl_witness_access constants.%Iterate.impl_witness.6db, element2 [concrete = constants.%NewCursor.763]
// CHECK:STDOUT:   %bound_method.loc10_61.1: <bound method> = bound_method %.loc10_60.2, %impl.elem2
// CHECK:STDOUT:   %specific_fn.loc10_61.1: <specific function> = specific_function %impl.elem2, @NewCursor.2(constants.%tuple.type.784) [concrete = constants.%NewCursor.specific_fn]
// CHECK:STDOUT:   %bound_method.loc10_61.2: <bound method> = bound_method %.loc10_60.2, %specific_fn.loc10_61.1
// CHECK:STDOUT:   %.loc10_60.3: %EmptyRange.2f3 = bind_value %.loc10_60.2
// CHECK:STDOUT:   %NewCursor.call: init %empty_struct_type = call %bound_method.loc10_61.2(%.loc10_60.3)
// CHECK:STDOUT:   %var: ref %empty_struct_type = var invalid
// CHECK:STDOUT:   assign %var, %NewCursor.call
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.next:
// CHECK:STDOUT:   %addr.loc10_61.1: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %impl.elem3: %.6aa = impl_witness_access constants.%Iterate.impl_witness.6db, element3 [concrete = constants.%Next.e60]
// CHECK:STDOUT:   %bound_method.loc10_61.3: <bound method> = bound_method %.loc10_60.2, %impl.elem3
// CHECK:STDOUT:   %specific_fn.loc10_61.2: <specific function> = specific_function %impl.elem3, @Next.1(constants.%tuple.type.784) [concrete = constants.%Next.specific_fn]
// CHECK:STDOUT:   %bound_method.loc10_61.4: <bound method> = bound_method %.loc10_60.2, %specific_fn.loc10_61.2
// CHECK:STDOUT:   %.loc10_61.1: ref %Optional.79e = temporary_storage
// CHECK:STDOUT:   %.loc10_60.4: %EmptyRange.2f3 = bind_value %.loc10_60.2
// CHECK:STDOUT:   %Next.call: init %Optional.79e = call %bound_method.loc10_61.4(%.loc10_60.4, %addr.loc10_61.1) to %.loc10_61.1
// CHECK:STDOUT:   %.loc10_61.2: ref %Optional.79e = temporary %.loc10_61.1, %Next.call
// CHECK:STDOUT:   %.loc10_61.3: %HasValue.type.414 = specific_constant imports.%Main.import_ref.7f9, @Optional(constants.%tuple.type.784) [concrete = constants.%HasValue.4f9]
// CHECK:STDOUT:   %HasValue.ref: %HasValue.type.414 = name_ref HasValue, %.loc10_61.3 [concrete = constants.%HasValue.4f9]
// CHECK:STDOUT:   %HasValue.bound: <bound method> = bound_method %.loc10_61.2, %HasValue.ref
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.ref, @HasValue(constants.%tuple.type.784) [concrete = constants.%HasValue.specific_fn]
// CHECK:STDOUT:   %bound_method.loc10_61.5: <bound method> = bound_method %.loc10_61.2, %HasValue.specific_fn
// CHECK:STDOUT:   %.loc10_61.4: %Optional.79e = bind_value %.loc10_61.2
// CHECK:STDOUT:   %HasValue.call: init bool = call %bound_method.loc10_61.5(%.loc10_61.4)
// CHECK:STDOUT:   %.loc10_61.5: bool = value_of_initializer %HasValue.call
// CHECK:STDOUT:   %.loc10_61.6: bool = converted %HasValue.call, %.loc10_61.5
// CHECK:STDOUT:   if %.loc10_61.6 br !for.body else br !for.done
// CHECK:STDOUT:
// CHECK:STDOUT: !for.body:
// CHECK:STDOUT:   %.loc10_61.7: %Get.type.ebd = specific_constant imports.%Main.import_ref.d10, @Optional(constants.%tuple.type.784) [concrete = constants.%Get.d99]
// CHECK:STDOUT:   %Get.ref: %Get.type.ebd = name_ref Get, %.loc10_61.7 [concrete = constants.%Get.d99]
// CHECK:STDOUT:   %Get.bound: <bound method> = bound_method %.loc10_61.2, %Get.ref
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.ref, @Get(constants.%tuple.type.784) [concrete = constants.%Get.specific_fn]
// CHECK:STDOUT:   %bound_method.loc10_61.6: <bound method> = bound_method %.loc10_61.2, %Get.specific_fn
// CHECK:STDOUT:   %.loc10_61.8: ref %tuple.type.784 = temporary_storage
// CHECK:STDOUT:   %.loc10_61.9: %Optional.79e = bind_value %.loc10_61.2
// CHECK:STDOUT:   %Get.call: init %tuple.type.784 = call %bound_method.loc10_61.6(%.loc10_61.9) to %.loc10_61.8
// CHECK:STDOUT:   %.loc10_61.10: ref %tuple.type.784 = temporary %.loc10_61.8, %Get.call
// CHECK:STDOUT:   %tuple.elem0: ref bool = tuple_access %.loc10_61.10, element0
// CHECK:STDOUT:   %tuple.elem1: ref bool = tuple_access %.loc10_61.10, element1
// CHECK:STDOUT:   %.loc10_12.1: type = splice_block %.loc10_12.3 [concrete = bool] {
// CHECK:STDOUT:     %bool.make_type.loc10_12: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT:     %.loc10_12.2: type = value_of_initializer %bool.make_type.loc10_12 [concrete = bool]
// CHECK:STDOUT:     %.loc10_12.3: type = converted %bool.make_type.loc10_12, %.loc10_12.2 [concrete = bool]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %.loc10_61.11: bool = bind_value %tuple.elem0
// CHECK:STDOUT:   %a: bool = bind_name a, %.loc10_61.11
// CHECK:STDOUT:   %.loc10_21.1: type = splice_block %.loc10_21.3 [concrete = bool] {
// CHECK:STDOUT:     %bool.make_type.loc10_21: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT:     %.loc10_21.2: type = value_of_initializer %bool.make_type.loc10_21 [concrete = bool]
// CHECK:STDOUT:     %.loc10_21.3: type = converted %bool.make_type.loc10_21, %.loc10_21.2 [concrete = bool]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %.loc10_61.12: bool = bind_value %tuple.elem1
// CHECK:STDOUT:   %b: bool = bind_name b, %.loc10_61.12
// CHECK:STDOUT:   %Body.ref: %Body.type = name_ref Body, file.%Body.decl [concrete = constants.%Body]
// CHECK:STDOUT:   %a.ref: bool = name_ref a, %a
// CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
// CHECK:STDOUT:   %Body.call: init %empty_tuple.type = call %Body.ref(%a.ref, %b.ref)
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.done:
// CHECK:STDOUT:   %impl.elem0.loc10_61.1: %.f45 = impl_witness_access constants.%Destroy.impl_witness.356, element0 [concrete = constants.%Op.149]
// CHECK:STDOUT:   %bound_method.loc10_61.7: <bound method> = bound_method %.loc10_61.8, %impl.elem0.loc10_61.1
// CHECK:STDOUT:   %specific_fn.loc10_61.3: <specific function> = specific_function %impl.elem0.loc10_61.1, @Op.2(constants.%tuple.type.784) [concrete = constants.%Op.specific_fn.14c]
// CHECK:STDOUT:   %bound_method.loc10_61.8: <bound method> = bound_method %.loc10_61.8, %specific_fn.loc10_61.3
// CHECK:STDOUT:   %addr.loc10_61.2: %ptr.b85 = addr_of %.loc10_61.8
// CHECK:STDOUT:   %no_op.loc10_61.1: init %empty_tuple.type = call %bound_method.loc10_61.8(%addr.loc10_61.2)
// CHECK:STDOUT:   %impl.elem0.loc10_61.2: %.df3 = impl_witness_access constants.%Destroy.impl_witness.4cb, element0 [concrete = constants.%Op.3ef]
// CHECK:STDOUT:   %bound_method.loc10_61.9: <bound method> = bound_method %.loc10_61.1, %impl.elem0.loc10_61.2
// CHECK:STDOUT:   %specific_fn.loc10_61.4: <specific function> = specific_function %impl.elem0.loc10_61.2, @Op.2(constants.%Optional.79e) [concrete = constants.%Op.specific_fn.01c]
// CHECK:STDOUT:   %bound_method.loc10_61.10: <bound method> = bound_method %.loc10_61.1, %specific_fn.loc10_61.4
// CHECK:STDOUT:   %addr.loc10_61.3: %ptr.07d = addr_of %.loc10_61.1
// CHECK:STDOUT:   %no_op.loc10_61.2: init %empty_tuple.type = call %bound_method.loc10_61.10(%addr.loc10_61.3)
// CHECK:STDOUT:   %impl.elem0.loc10_61.3: %.902 = impl_witness_access constants.%Destroy.impl_witness.67e, element0 [concrete = constants.%Op.ca6]
// CHECK:STDOUT:   %bound_method.loc10_61.11: <bound method> = bound_method %var, %impl.elem0.loc10_61.3
// CHECK:STDOUT:   %specific_fn.loc10_61.5: <specific function> = specific_function %impl.elem0.loc10_61.3, @Op.2(constants.%empty_struct_type) [concrete = constants.%Op.specific_fn.04c]
// CHECK:STDOUT:   %bound_method.loc10_61.12: <bound method> = bound_method %var, %specific_fn.loc10_61.5
// CHECK:STDOUT:   %addr.loc10_61.4: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %no_op.loc10_61.3: init %empty_tuple.type = call %bound_method.loc10_61.12(%addr.loc10_61.4)
// CHECK:STDOUT:   %impl.elem0.loc10_60: %.be5 = impl_witness_access constants.%Destroy.impl_witness.e89, element0 [concrete = constants.%Op.155]
// CHECK:STDOUT:   %bound_method.loc10_60.1: <bound method> = bound_method %.loc10_60.1, %impl.elem0.loc10_60
// CHECK:STDOUT:   %specific_fn.loc10_60: <specific function> = specific_function %impl.elem0.loc10_60, @Op.2(constants.%EmptyRange.2f3) [concrete = constants.%Op.specific_fn.e02]
// CHECK:STDOUT:   %bound_method.loc10_60.2: <bound method> = bound_method %.loc10_60.1, %specific_fn.loc10_60
// CHECK:STDOUT:   %addr.loc10_60: %ptr.5cf = addr_of %.loc10_60.1
// CHECK:STDOUT:   %no_op.loc10_60: init %empty_tuple.type = call %bound_method.loc10_60.2(%addr.loc10_60)
// CHECK:STDOUT:   <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- tuple_class.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %pattern_type.c48: type = pattern_type %C [concrete]
// CHECK:STDOUT:   %Body.type: type = fn_type @Body [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %Body: %Body.type = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.c28: type = ptr_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %tuple.type.56b: type = tuple_type (%C, %C) [concrete]
// CHECK:STDOUT:   %pattern_type.99e: type = pattern_type %tuple.type.56b [concrete]
// CHECK:STDOUT:   %EmptyRange.type: type = generic_class_type @EmptyRange [concrete]
// CHECK:STDOUT:   %EmptyRange.generic: %EmptyRange.type = struct_value () [concrete]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %Make.type.bd2: type = fn_type @Make, @EmptyRange(%T) [symbolic]
// CHECK:STDOUT:   %Make.ed1: %Make.type.bd2 = struct_value () [symbolic]
// CHECK:STDOUT:   %tuple.type.24b: type = tuple_type (type, type) [concrete]
// CHECK:STDOUT:   %EmptyRange.90a: type = class_type @EmptyRange, @EmptyRange(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Make.type.829: type = fn_type @Make, @EmptyRange(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Make.d4f: %Make.type.829 = struct_value () [concrete]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.d4f, @Make(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Iterate.type: type = facet_type <@Iterate> [concrete]
// CHECK:STDOUT:   %NewCursor.type.427: type = fn_type @NewCursor.1 [concrete]
// CHECK:STDOUT:   %NewCursor.type.f5f: type = fn_type @NewCursor.2, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %NewCursor.ec1: %NewCursor.type.f5f = struct_value () [symbolic]
// CHECK:STDOUT:   %Next.type.264: type = fn_type @Next.1, @impl.86e(%T) [symbolic]
// CHECK:STDOUT:   %Next.08e: %Next.type.264 = struct_value () [symbolic]
// CHECK:STDOUT:   %HasValue.type.f81: type = fn_type @HasValue, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %HasValue.6fd: %HasValue.type.f81 = struct_value () [symbolic]
// CHECK:STDOUT:   %Get.type.b8f: type = fn_type @Get, @Optional(%T) [symbolic]
// CHECK:STDOUT:   %Get.9c8: %Get.type.b8f = struct_value () [symbolic]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %Op.type.989: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT:   %Op.type.ed4: type = fn_type @Op.2, @impl.d2b(%T) [symbolic]
// CHECK:STDOUT:   %Op.486: %Op.type.ed4 = struct_value () [symbolic]
// CHECK:STDOUT:   %Iterate.impl_witness.627: <witness> = impl_witness imports.%Iterate.impl_witness_table, @impl.86e(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %NewCursor.type.59c: type = fn_type @NewCursor.2, @impl.86e(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %NewCursor.263: %NewCursor.type.59c = struct_value () [concrete]
// CHECK:STDOUT:   %Next.type.70f: type = fn_type @Next.1, @impl.86e(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Next.852: %Next.type.70f = struct_value () [concrete]
// CHECK:STDOUT:   %Iterate.facet: %Iterate.type = facet_value %EmptyRange.90a, (%Iterate.impl_witness.627) [concrete]
// CHECK:STDOUT:   %.8bd: type = fn_type_with_self_type %NewCursor.type.427, %Iterate.facet [concrete]
// CHECK:STDOUT:   %NewCursor.specific_fn: <specific function> = specific_function %NewCursor.263, @NewCursor.2(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Next.type.941: type = fn_type @Next.2 [concrete]
// CHECK:STDOUT:   %.8d0: type = fn_type_with_self_type %Next.type.941, %Iterate.facet [concrete]
// CHECK:STDOUT:   %Optional.657: type = class_type @Optional, @Optional(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Next.specific_fn: <specific function> = specific_function %Next.852, @Next.1(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %HasValue.type.2f1: type = fn_type @HasValue, @Optional(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %HasValue.bef: %HasValue.type.2f1 = struct_value () [concrete]
// CHECK:STDOUT:   %Get.type.4a4: type = fn_type @Get, @Optional(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Get.8a7: %Get.type.4a4 = struct_value () [concrete]
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.bef, @HasValue(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.8a7, @Get(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.c9b: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Op.type.65e: type = fn_type @Op.2, @impl.d2b(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Op.587: %Op.type.65e = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.9f0: type = ptr_type %tuple.type.56b [concrete]
// CHECK:STDOUT:   %Destroy.facet.882: %Destroy.type = facet_value %tuple.type.56b, (%Destroy.impl_witness.c9b) [concrete]
// CHECK:STDOUT:   %.d75: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.882 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.6b2: <specific function> = specific_function %Op.587, @Op.2(%tuple.type.56b) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.f8d: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%Optional.657) [concrete]
// CHECK:STDOUT:   %Op.type.400: type = fn_type @Op.2, @impl.d2b(%Optional.657) [concrete]
// CHECK:STDOUT:   %Op.5ec: %Op.type.400 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.036: type = ptr_type %Optional.657 [concrete]
// CHECK:STDOUT:   %Destroy.facet.cb2: %Destroy.type = facet_value %Optional.657, (%Destroy.impl_witness.f8d) [concrete]
// CHECK:STDOUT:   %.894: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.cb2 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.840: <specific function> = specific_function %Op.5ec, @Op.2(%Optional.657) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.67e: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.type.8b2: type = fn_type @Op.2, @impl.d2b(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Op.ca6: %Op.type.8b2 = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.facet.2a8: %Destroy.type = facet_value %empty_struct_type, (%Destroy.impl_witness.67e) [concrete]
// CHECK:STDOUT:   %.902: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.2a8 [concrete]
// CHECK:STDOUT:   %Op.specific_fn.04c: <specific function> = specific_function %Op.ca6, @Op.2(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.f74: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl.d2b(%EmptyRange.90a) [concrete]
// CHECK:STDOUT:   %Op.type.cee: type = fn_type @Op.2, @impl.d2b(%EmptyRange.90a) [concrete]
// CHECK:STDOUT:   %Op.323: %Op.type.cee = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.f9b: type = ptr_type %EmptyRange.90a [concrete]
// CHECK:STDOUT:   %Destroy.facet.31a: %Destroy.type = facet_value %EmptyRange.90a, (%Destroy.impl_witness.f74) [concrete]
// CHECK:STDOUT:   %.3a2: type = fn_type_with_self_type %Op.type.989, %Destroy.facet.31a [concrete]
// CHECK:STDOUT:   %Op.specific_fn.5d2: <specific function> = specific_function %Op.323, @Op.2(%EmptyRange.90a) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.EmptyRange: %EmptyRange.type = import_ref Main//empty_range, EmptyRange, loaded [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %Main.import_ref.6ea: @EmptyRange.%Make.type (%Make.type.bd2) = import_ref Main//empty_range, loc5_21, loaded [symbolic = @EmptyRange.%Make (constants.%Make.ed1)]
// CHECK:STDOUT:   %Main.import_ref.6ce = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.999 = import_ref Main//empty_range, loc7_68, unloaded
// CHECK:STDOUT:   %Main.import_ref.57b: @impl.86e.%NewCursor.type (%NewCursor.type.f5f) = import_ref Main//empty_range, loc8_38, loaded [symbolic = @impl.86e.%NewCursor (constants.%NewCursor.ec1)]
// CHECK:STDOUT:   %Main.import_ref.170: @impl.86e.%Next.type (%Next.type.264) = import_ref Main//empty_range, loc11_58, loaded [symbolic = @impl.86e.%Next (constants.%Next.08e)]
// CHECK:STDOUT:   %Iterate.impl_witness_table = impl_witness_table (%Main.import_ref.6ce, %Main.import_ref.999, %Main.import_ref.57b, %Main.import_ref.170), @impl.86e [concrete]
// CHECK:STDOUT:   %Main.import_ref.7f9: @Optional.%HasValue.type (%HasValue.type.f81) = import_ref Main//empty_range, inst136 [indirect], loaded [symbolic = @Optional.%HasValue (constants.%HasValue.6fd)]
// CHECK:STDOUT:   %Main.import_ref.d10: @Optional.%Get.type (%Get.type.b8f) = import_ref Main//empty_range, inst137 [indirect], loaded [symbolic = @Optional.%Get (constants.%Get.9c8)]
// CHECK:STDOUT:   %Main.import_ref.fcc: @impl.d2b.%Op.type (%Op.type.ed4) = import_ref Main//empty_range, inst373 [indirect], loaded [symbolic = @impl.d2b.%Op (constants.%Op.486)]
// CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (%Main.import_ref.fcc), @impl.d2b [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %a.patt: %pattern_type.c48 = binding_pattern a [concrete]
// CHECK:STDOUT:     %b.patt: %pattern_type.c48 = binding_pattern b [concrete]
// CHECK:STDOUT:     %.loc12_19: %pattern_type.99e = tuple_pattern (%a.patt, %b.patt) [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %EmptyRange.ref: %EmptyRange.type = name_ref EmptyRange, imports.%Main.EmptyRange [concrete = constants.%EmptyRange.generic]
// CHECK:STDOUT:   %C.ref.loc12_36: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %C.ref.loc12_39: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %.loc12_40: %tuple.type.24b = tuple_literal (%C.ref.loc12_36, %C.ref.loc12_39)
// CHECK:STDOUT:   %.loc12_41: type = converted %.loc12_40, constants.%tuple.type.56b [concrete = constants.%tuple.type.56b]
// CHECK:STDOUT:   %EmptyRange: type = class_type @EmptyRange, @EmptyRange(constants.%tuple.type.56b) [concrete = constants.%EmptyRange.90a]
// CHECK:STDOUT:   %.loc12_42: %Make.type.829 = specific_constant imports.%Main.import_ref.6ea, @EmptyRange(constants.%tuple.type.56b) [concrete = constants.%Make.d4f]
// CHECK:STDOUT:   %Make.ref: %Make.type.829 = name_ref Make, %.loc12_42 [concrete = constants.%Make.d4f]
// CHECK:STDOUT:   %Make.specific_fn: <specific function> = specific_function %Make.ref, @Make(constants.%tuple.type.56b) [concrete = constants.%Make.specific_fn]
// CHECK:STDOUT:   %.loc12_48.1: ref %EmptyRange.90a = temporary_storage
// CHECK:STDOUT:   %Make.call: init %EmptyRange.90a = call %Make.specific_fn() to %.loc12_48.1
// CHECK:STDOUT:   %.loc12_48.2: ref %EmptyRange.90a = temporary %.loc12_48.1, %Make.call
// CHECK:STDOUT:   %impl.elem2: %.8bd = impl_witness_access constants.%Iterate.impl_witness.627, element2 [concrete = constants.%NewCursor.263]
// CHECK:STDOUT:   %bound_method.loc12_49.1: <bound method> = bound_method %.loc12_48.2, %impl.elem2
// CHECK:STDOUT:   %specific_fn.loc12_49.1: <specific function> = specific_function %impl.elem2, @NewCursor.2(constants.%tuple.type.56b) [concrete = constants.%NewCursor.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_49.2: <bound method> = bound_method %.loc12_48.2, %specific_fn.loc12_49.1
// CHECK:STDOUT:   %.loc12_48.3: %EmptyRange.90a = bind_value %.loc12_48.2
// CHECK:STDOUT:   %NewCursor.call: init %empty_struct_type = call %bound_method.loc12_49.2(%.loc12_48.3)
// CHECK:STDOUT:   %var: ref %empty_struct_type = var invalid
// CHECK:STDOUT:   assign %var, %NewCursor.call
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.next:
// CHECK:STDOUT:   %addr.loc12_49.1: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %impl.elem3: %.8d0 = impl_witness_access constants.%Iterate.impl_witness.627, element3 [concrete = constants.%Next.852]
// CHECK:STDOUT:   %bound_method.loc12_49.3: <bound method> = bound_method %.loc12_48.2, %impl.elem3
// CHECK:STDOUT:   %specific_fn.loc12_49.2: <specific function> = specific_function %impl.elem3, @Next.1(constants.%tuple.type.56b) [concrete = constants.%Next.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_49.4: <bound method> = bound_method %.loc12_48.2, %specific_fn.loc12_49.2
// CHECK:STDOUT:   %.loc12_49.1: ref %Optional.657 = temporary_storage
// CHECK:STDOUT:   %.loc12_48.4: %EmptyRange.90a = bind_value %.loc12_48.2
// CHECK:STDOUT:   %Next.call: init %Optional.657 = call %bound_method.loc12_49.4(%.loc12_48.4, %addr.loc12_49.1) to %.loc12_49.1
// CHECK:STDOUT:   %.loc12_49.2: ref %Optional.657 = temporary %.loc12_49.1, %Next.call
// CHECK:STDOUT:   %.loc12_49.3: %HasValue.type.2f1 = specific_constant imports.%Main.import_ref.7f9, @Optional(constants.%tuple.type.56b) [concrete = constants.%HasValue.bef]
// CHECK:STDOUT:   %HasValue.ref: %HasValue.type.2f1 = name_ref HasValue, %.loc12_49.3 [concrete = constants.%HasValue.bef]
// CHECK:STDOUT:   %HasValue.bound: <bound method> = bound_method %.loc12_49.2, %HasValue.ref
// CHECK:STDOUT:   %HasValue.specific_fn: <specific function> = specific_function %HasValue.ref, @HasValue(constants.%tuple.type.56b) [concrete = constants.%HasValue.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_49.5: <bound method> = bound_method %.loc12_49.2, %HasValue.specific_fn
// CHECK:STDOUT:   %.loc12_49.4: %Optional.657 = bind_value %.loc12_49.2
// CHECK:STDOUT:   %HasValue.call: init bool = call %bound_method.loc12_49.5(%.loc12_49.4)
// CHECK:STDOUT:   %.loc12_49.5: bool = value_of_initializer %HasValue.call
// CHECK:STDOUT:   %.loc12_49.6: bool = converted %HasValue.call, %.loc12_49.5
// CHECK:STDOUT:   if %.loc12_49.6 br !for.body else br !for.done
// CHECK:STDOUT:
// CHECK:STDOUT: !for.body:
// CHECK:STDOUT:   %.loc12_49.7: %Get.type.4a4 = specific_constant imports.%Main.import_ref.d10, @Optional(constants.%tuple.type.56b) [concrete = constants.%Get.8a7]
// CHECK:STDOUT:   %Get.ref: %Get.type.4a4 = name_ref Get, %.loc12_49.7 [concrete = constants.%Get.8a7]
// CHECK:STDOUT:   %Get.bound: <bound method> = bound_method %.loc12_49.2, %Get.ref
// CHECK:STDOUT:   %Get.specific_fn: <specific function> = specific_function %Get.ref, @Get(constants.%tuple.type.56b) [concrete = constants.%Get.specific_fn]
// CHECK:STDOUT:   %bound_method.loc12_49.6: <bound method> = bound_method %.loc12_49.2, %Get.specific_fn
// CHECK:STDOUT:   %.loc12_49.8: ref %tuple.type.56b = temporary_storage
// CHECK:STDOUT:   %.loc12_49.9: %Optional.657 = bind_value %.loc12_49.2
// CHECK:STDOUT:   %Get.call: init %tuple.type.56b = call %bound_method.loc12_49.6(%.loc12_49.9) to %.loc12_49.8
// CHECK:STDOUT:   %.loc12_49.10: ref %tuple.type.56b = temporary %.loc12_49.8, %Get.call
// CHECK:STDOUT:   %tuple.elem0: ref %C = tuple_access %.loc12_49.10, element0
// CHECK:STDOUT:   %tuple.elem1: ref %C = tuple_access %.loc12_49.10, element1
// CHECK:STDOUT:   %C.ref.loc12_12: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %.loc12_49.11: %C = bind_value %tuple.elem0
// CHECK:STDOUT:   %a: %C = bind_name a, %.loc12_49.11
// CHECK:STDOUT:   %C.ref.loc12_18: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %.loc12_49.12: %C = bind_value %tuple.elem1
// CHECK:STDOUT:   %b: %C = bind_name b, %.loc12_49.12
// CHECK:STDOUT:   %Body.ref: %Body.type = name_ref Body, file.%Body.decl [concrete = constants.%Body]
// CHECK:STDOUT:   %a.ref: %C = name_ref a, %a
// CHECK:STDOUT:   %b.ref: %C = name_ref b, %b
// CHECK:STDOUT:   %Body.call: init %empty_tuple.type = call %Body.ref(%a.ref, %b.ref)
// CHECK:STDOUT:   br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.done:
// CHECK:STDOUT:   %impl.elem0.loc12_49.1: %.d75 = impl_witness_access constants.%Destroy.impl_witness.c9b, element0 [concrete = constants.%Op.587]
// CHECK:STDOUT:   %bound_method.loc12_49.7: <bound method> = bound_method %.loc12_49.8, %impl.elem0.loc12_49.1
// CHECK:STDOUT:   %specific_fn.loc12_49.3: <specific function> = specific_function %impl.elem0.loc12_49.1, @Op.2(constants.%tuple.type.56b) [concrete = constants.%Op.specific_fn.6b2]
// CHECK:STDOUT:   %bound_method.loc12_49.8: <bound method> = bound_method %.loc12_49.8, %specific_fn.loc12_49.3
// CHECK:STDOUT:   %addr.loc12_49.2: %ptr.9f0 = addr_of %.loc12_49.8
// CHECK:STDOUT:   %no_op.loc12_49.1: init %empty_tuple.type = call %bound_method.loc12_49.8(%addr.loc12_49.2)
// CHECK:STDOUT:   %impl.elem0.loc12_49.2: %.894 = impl_witness_access constants.%Destroy.impl_witness.f8d, element0 [concrete = constants.%Op.5ec]
// CHECK:STDOUT:   %bound_method.loc12_49.9: <bound method> = bound_method %.loc12_49.1, %impl.elem0.loc12_49.2
// CHECK:STDOUT:   %specific_fn.loc12_49.4: <specific function> = specific_function %impl.elem0.loc12_49.2, @Op.2(constants.%Optional.657) [concrete = constants.%Op.specific_fn.840]
// CHECK:STDOUT:   %bound_method.loc12_49.10: <bound method> = bound_method %.loc12_49.1, %specific_fn.loc12_49.4
// CHECK:STDOUT:   %addr.loc12_49.3: %ptr.036 = addr_of %.loc12_49.1
// CHECK:STDOUT:   %no_op.loc12_49.2: init %empty_tuple.type = call %bound_method.loc12_49.10(%addr.loc12_49.3)
// CHECK:STDOUT:   %impl.elem0.loc12_49.3: %.902 = impl_witness_access constants.%Destroy.impl_witness.67e, element0 [concrete = constants.%Op.ca6]
// CHECK:STDOUT:   %bound_method.loc12_49.11: <bound method> = bound_method %var, %impl.elem0.loc12_49.3
// CHECK:STDOUT:   %specific_fn.loc12_49.5: <specific function> = specific_function %impl.elem0.loc12_49.3, @Op.2(constants.%empty_struct_type) [concrete = constants.%Op.specific_fn.04c]
// CHECK:STDOUT:   %bound_method.loc12_49.12: <bound method> = bound_method %var, %specific_fn.loc12_49.5
// CHECK:STDOUT:   %addr.loc12_49.4: %ptr.c28 = addr_of %var
// CHECK:STDOUT:   %no_op.loc12_49.3: init %empty_tuple.type = call %bound_method.loc12_49.12(%addr.loc12_49.4)
// CHECK:STDOUT:   %impl.elem0.loc12_48: %.3a2 = impl_witness_access constants.%Destroy.impl_witness.f74, element0 [concrete = constants.%Op.323]
// CHECK:STDOUT:   %bound_method.loc12_48.1: <bound method> = bound_method %.loc12_48.1, %impl.elem0.loc12_48
// CHECK:STDOUT:   %specific_fn.loc12_48: <specific function> = specific_function %impl.elem0.loc12_48, @Op.2(constants.%EmptyRange.90a) [concrete = constants.%Op.specific_fn.5d2]
// CHECK:STDOUT:   %bound_method.loc12_48.2: <bound method> = bound_method %.loc12_48.1, %specific_fn.loc12_48
// CHECK:STDOUT:   %addr.loc12_48: %ptr.f9b = addr_of %.loc12_48.1
// CHECK:STDOUT:   %no_op.loc12_48: init %empty_tuple.type = call %bound_method.loc12_48.2(%addr.loc12_48)
// CHECK:STDOUT:   <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: