// 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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function_decl.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function_decl.carbon

// --- int_return_function_decl.h

auto foo_int() -> int;

// --- import_int_return_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "int_return_function_decl.h";

fn Carbon_foo(val: i32);

fn F() {
  Carbon_foo(Cpp.foo_int());
}

// --- float_return_function_decl.h

auto foo_float() -> float;

// --- fail_import_float_return_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "float_return_function_decl.h";

fn F() {
  // CHECK:STDERR: fail_import_float_return_function_decl.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: float` [SemanticsTodo]
  // CHECK:STDERR:   Cpp.foo_float();
  // CHECK:STDERR:   ^~~~~~~~~~~~~
  // CHECK:STDERR: fail_import_float_return_function_decl.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo_float` [InCppNameLookup]
  // CHECK:STDERR:   Cpp.foo_float();
  // CHECK:STDERR:   ^~~~~~~~~~~~~
  // CHECK:STDERR:
  Cpp.foo_float();
}

// --- single_int_param_function_decl.h

auto foo(int b) -> void;

// --- import_single_int_param_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "single_int_param_function_decl.h";

fn F() {
  Cpp.foo(1);
}

// --- multiple_int_params_function_decl.h

auto foo(int a, int b) -> void;

// --- import_multiple_int_params_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "multiple_int_params_function_decl.h";

fn F() {
  Cpp.foo(1, 2);
}

// --- multiple_functions_with_int_params.h

auto foo1(int a, int b) -> void;

auto foo2(int c, int b) -> void;

// --- import_multiple_functions_with_int_params.carbon

library "[[@TEST_NAME]]";

import Cpp library "multiple_functions_with_int_params.h";

fn F() {
  Cpp.foo1(1, 2);
  Cpp.foo2(3, 4);
}

// --- unnamed_int_param_function_decl.h

auto foo(int) -> void;

// --- import_unnamed_int_param_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "unnamed_int_param_function_decl.h";

fn F() {
  Cpp.foo(1);
}

// --- int_default_param_function_decl.h

auto foo(int a = 0) -> void;

// --- fail_int_default_param_parameterless_call.carbon

library "[[@TEST_NAME]]";

import Cpp library "int_default_param_function_decl.h";

fn F() {
  // CHECK:STDERR: fail_int_default_param_parameterless_call.carbon:[[@LINE+5]]:3: error: 0 arguments passed to function expecting 1 argument [CallArgCountMismatch]
  // CHECK:STDERR:   Cpp.foo();
  // CHECK:STDERR:   ^~~~~~~~~
  // CHECK:STDERR: fail_int_default_param_parameterless_call.carbon: note: calling function declared here [InCallToEntity]
  // CHECK:STDERR:
  Cpp.foo();
}

// --- import_int_default_param_sucessful_call_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "int_default_param_function_decl.h";

fn F() {
  Cpp.foo(1);
}


// --- int_ref_param_function_decl.h

auto foo(int& a) -> int;

// --- fail_int_ref_param_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "int_ref_param_function_decl.h";

fn F() {
  var a: i32 = 1;
  // CHECK:STDERR: fail_int_ref_param_function_decl.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: int &` [SemanticsTodo]
  // CHECK:STDERR:   Cpp.foo(a);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR: fail_int_ref_param_function_decl.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
  // CHECK:STDERR:   Cpp.foo(a);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR:
  Cpp.foo(a);
}

// --- int_pointer_param_function_decl.h

auto foo(int* a) -> void;

// --- fail_int_pointer_param_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "int_pointer_param_function_decl.h";

fn F() {
  var a: i32 = 1;
  // CHECK:STDERR: fail_int_pointer_param_function_decl.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: int *` [SemanticsTodo]
  // CHECK:STDERR:   Cpp.foo(&a);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR: fail_int_pointer_param_function_decl.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
  // CHECK:STDERR:   Cpp.foo(&a);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR:
  Cpp.foo(&a);
}

// --- unsupported_primitive_type_param_function_decl.h

auto foo(float a) -> void;

// --- fail_import_unsupported_primitive_type_param_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "unsupported_primitive_type_param_function_decl.h";

fn F() {
  // CHECK:STDERR: fail_import_unsupported_primitive_type_param_function_decl.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: float` [SemanticsTodo]
  // CHECK:STDERR:   Cpp.foo(1.1);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR: fail_import_unsupported_primitive_type_param_function_decl.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
  // CHECK:STDERR:   Cpp.foo(1.1);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR:
  Cpp.foo(1.1);
}

// --- unsupported_type_among_params_function_decl.h

auto foo(int a, float b) -> void;

// --- fail_import_unsupported_type_among_params_function_decl.carbon

library "[[@TEST_NAME]]";

import Cpp library "unsupported_type_among_params_function_decl.h";

fn F() {
  // CHECK:STDERR: fail_import_unsupported_type_among_params_function_decl.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: float` [SemanticsTodo]
  // CHECK:STDERR:   Cpp.foo(1, 2.0);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR: fail_import_unsupported_type_among_params_function_decl.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
  // CHECK:STDERR:   Cpp.foo(1, 2.0);
  // CHECK:STDERR:   ^~~~~~~
  // CHECK:STDERR:
  Cpp.foo(1, 2.0);
}

// CHECK:STDOUT: --- import_int_return_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %Carbon_foo.type: type = fn_type @Carbon_foo [concrete]
// CHECK:STDOUT:   %Carbon_foo: %Carbon_foo.type = struct_value () [concrete]
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %foo_int.type: type = fn_type @foo_int [concrete]
// CHECK:STDOUT:   %foo_int: %foo_int.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo_int = @F.%foo_int.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .Carbon_foo = %Carbon_foo.decl
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "int_return_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Carbon_foo.decl: %Carbon_foo.type = fn_decl @Carbon_foo [concrete = constants.%Carbon_foo] {
// CHECK:STDOUT:     %val.patt: %i32 = binding_pattern val
// CHECK:STDOUT:     %val.param_patt: %i32 = value_param_pattern %val.patt, call_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %val.param: %i32 = value_param call_param0
// CHECK:STDOUT:     %.loc6: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT:       %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:       %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %val: %i32 = bind_name val, %val.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Carbon_foo(%val.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Carbon_foo.ref: %Carbon_foo.type = name_ref Carbon_foo, file.%Carbon_foo.decl [concrete = constants.%Carbon_foo]
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo_int.decl: %foo_int.type = fn_decl @foo_int [concrete = constants.%foo_int] {} {}
// CHECK:STDOUT:   %foo_int.ref: %foo_int.type = name_ref foo_int, %foo_int.decl [concrete = constants.%foo_int]
// CHECK:STDOUT:   %foo_int.call: init %i32 = call %foo_int.ref()
// CHECK:STDOUT:   %.loc9_26.1: %i32 = value_of_initializer %foo_int.call
// CHECK:STDOUT:   %.loc9_26.2: %i32 = converted %foo_int.call, %.loc9_26.1
// CHECK:STDOUT:   %Carbon_foo.call: init %empty_tuple.type = call %Carbon_foo.ref(%.loc9_26.2)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo_int[]() -> %i32;
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_float_return_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo_float = <error>
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "float_return_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %foo_float.ref: <error> = name_ref foo_float, <error> [concrete = <error>]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_single_int_param_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT:   %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = @F.%foo.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "single_int_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT:   %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_11.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_11.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc7_11.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.2: %i32 = converted %int_1, %.loc7_11.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %foo.call: init %empty_tuple.type = call %foo.ref(%.loc7_11.2)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[](%b.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_multiple_int_params_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT:   %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT:   %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
// CHECK:STDOUT:   %bound_method.b92: <bound method> = bound_method %int_2.ecc, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = @F.%foo.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "multiple_int_params_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32.1: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.1: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %int_32.2: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.2: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT:   %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT:   %impl.elem0.loc7_11: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_11.1: <bound method> = bound_method %int_1, %impl.elem0.loc7_11 [concrete = constants.%Convert.bound.ab5]
// CHECK:STDOUT:   %specific_fn.loc7_11: <specific function> = specific_function %impl.elem0.loc7_11, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_11.2: <bound method> = bound_method %int_1, %specific_fn.loc7_11 [concrete = constants.%bound_method.9a1]
// CHECK:STDOUT:   %int.convert_checked.loc7_11: init %i32 = call %bound_method.loc7_11.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.1: %i32 = value_of_initializer %int.convert_checked.loc7_11 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.2: %i32 = converted %int_1, %.loc7_11.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %impl.elem0.loc7_14: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_14.1: <bound method> = bound_method %int_2, %impl.elem0.loc7_14 [concrete = constants.%Convert.bound.ef9]
// CHECK:STDOUT:   %specific_fn.loc7_14: <specific function> = specific_function %impl.elem0.loc7_14, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_14.2: <bound method> = bound_method %int_2, %specific_fn.loc7_14 [concrete = constants.%bound_method.b92]
// CHECK:STDOUT:   %int.convert_checked.loc7_14: init %i32 = call %bound_method.loc7_14.2(%int_2) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT:   %.loc7_14.1: %i32 = value_of_initializer %int.convert_checked.loc7_14 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT:   %.loc7_14.2: %i32 = converted %int_2, %.loc7_14.1 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT:   %foo.call: init %empty_tuple.type = call %foo.ref(%.loc7_11.2, %.loc7_14.2)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[](%a.param_patt: %i32, %b.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_multiple_functions_with_int_params.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %foo1.type: type = fn_type @foo1 [concrete]
// CHECK:STDOUT:   %foo1: %foo1.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT:   %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
// CHECK:STDOUT:   %bound_method.b92: <bound method> = bound_method %int_2.ecc, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT:   %foo2.type: type = fn_type @foo2 [concrete]
// CHECK:STDOUT:   %foo2: %foo2.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT:   %int_4.0c1: Core.IntLiteral = int_value 4 [concrete]
// CHECK:STDOUT:   %Convert.bound.b30: <bound method> = bound_method %int_3.1ba, %Convert.956 [concrete]
// CHECK:STDOUT:   %bound_method.047: <bound method> = bound_method %int_3.1ba, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_3.822: %i32 = int_value 3 [concrete]
// CHECK:STDOUT:   %Convert.bound.ac3: <bound method> = bound_method %int_4.0c1, %Convert.956 [concrete]
// CHECK:STDOUT:   %bound_method.1da: <bound method> = bound_method %int_4.0c1, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_4.940: %i32 = int_value 4 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo1 = @F.%foo1.decl
// CHECK:STDOUT:     .foo2 = @F.%foo2.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "multiple_functions_with_int_params.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref.loc7: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32.1: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.1: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %int_32.2: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.2: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo1.decl: %foo1.type = fn_decl @foo1 [concrete = constants.%foo1] {} {}
// CHECK:STDOUT:   %foo1.ref: %foo1.type = name_ref foo1, %foo1.decl [concrete = constants.%foo1]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT:   %impl.elem0.loc7_12: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_12.1: <bound method> = bound_method %int_1, %impl.elem0.loc7_12 [concrete = constants.%Convert.bound.ab5]
// CHECK:STDOUT:   %specific_fn.loc7_12: <specific function> = specific_function %impl.elem0.loc7_12, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_12.2: <bound method> = bound_method %int_1, %specific_fn.loc7_12 [concrete = constants.%bound_method.9a1]
// CHECK:STDOUT:   %int.convert_checked.loc7_12: init %i32 = call %bound_method.loc7_12.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_12.1: %i32 = value_of_initializer %int.convert_checked.loc7_12 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_12.2: %i32 = converted %int_1, %.loc7_12.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %impl.elem0.loc7_15: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_15.1: <bound method> = bound_method %int_2, %impl.elem0.loc7_15 [concrete = constants.%Convert.bound.ef9]
// CHECK:STDOUT:   %specific_fn.loc7_15: <specific function> = specific_function %impl.elem0.loc7_15, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_15.2: <bound method> = bound_method %int_2, %specific_fn.loc7_15 [concrete = constants.%bound_method.b92]
// CHECK:STDOUT:   %int.convert_checked.loc7_15: init %i32 = call %bound_method.loc7_15.2(%int_2) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT:   %.loc7_15.1: %i32 = value_of_initializer %int.convert_checked.loc7_15 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT:   %.loc7_15.2: %i32 = converted %int_2, %.loc7_15.1 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT:   %foo1.call: init %empty_tuple.type = call %foo1.ref(%.loc7_12.2, %.loc7_15.2)
// CHECK:STDOUT:   %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32.3: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.3: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %int_32.4: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.4: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo2.decl: %foo2.type = fn_decl @foo2 [concrete = constants.%foo2] {} {}
// CHECK:STDOUT:   %foo2.ref: %foo2.type = name_ref foo2, %foo2.decl [concrete = constants.%foo2]
// CHECK:STDOUT:   %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
// CHECK:STDOUT:   %int_4: Core.IntLiteral = int_value 4 [concrete = constants.%int_4.0c1]
// CHECK:STDOUT:   %impl.elem0.loc8_12: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc8_12.1: <bound method> = bound_method %int_3, %impl.elem0.loc8_12 [concrete = constants.%Convert.bound.b30]
// CHECK:STDOUT:   %specific_fn.loc8_12: <specific function> = specific_function %impl.elem0.loc8_12, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc8_12.2: <bound method> = bound_method %int_3, %specific_fn.loc8_12 [concrete = constants.%bound_method.047]
// CHECK:STDOUT:   %int.convert_checked.loc8_12: init %i32 = call %bound_method.loc8_12.2(%int_3) [concrete = constants.%int_3.822]
// CHECK:STDOUT:   %.loc8_12.1: %i32 = value_of_initializer %int.convert_checked.loc8_12 [concrete = constants.%int_3.822]
// CHECK:STDOUT:   %.loc8_12.2: %i32 = converted %int_3, %.loc8_12.1 [concrete = constants.%int_3.822]
// CHECK:STDOUT:   %impl.elem0.loc8_15: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc8_15.1: <bound method> = bound_method %int_4, %impl.elem0.loc8_15 [concrete = constants.%Convert.bound.ac3]
// CHECK:STDOUT:   %specific_fn.loc8_15: <specific function> = specific_function %impl.elem0.loc8_15, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc8_15.2: <bound method> = bound_method %int_4, %specific_fn.loc8_15 [concrete = constants.%bound_method.1da]
// CHECK:STDOUT:   %int.convert_checked.loc8_15: init %i32 = call %bound_method.loc8_15.2(%int_4) [concrete = constants.%int_4.940]
// CHECK:STDOUT:   %.loc8_15.1: %i32 = value_of_initializer %int.convert_checked.loc8_15 [concrete = constants.%int_4.940]
// CHECK:STDOUT:   %.loc8_15.2: %i32 = converted %int_4, %.loc8_15.1 [concrete = constants.%int_4.940]
// CHECK:STDOUT:   %foo2.call: init %empty_tuple.type = call %foo2.ref(%.loc8_12.2, %.loc8_15.2)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo1[](%a.param_patt: %i32, %b.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo2[](%c.param_patt: %i32, %b.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_unnamed_int_param_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT:   %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = @F.%foo.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "unnamed_int_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT:   %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_11.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_11.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc7_11.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.2: %i32 = converted %int_1, %.loc7_11.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %foo.call: init %empty_tuple.type = call %foo.ref(%.loc7_11.2)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[](%_.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_int_default_param_parameterless_call.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT:   %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = @F.%foo.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "int_default_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT:   %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[](%a.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_int_default_param_sucessful_call_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT:   %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = @F.%foo.decl
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "int_default_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT:   %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_11.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_11.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc7_11.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.1: %i32 = value_of_initializer %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_11.2: %i32 = converted %int_1, %.loc7_11.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %foo.call: init %empty_tuple.type = call %foo.ref(%.loc7_11.2)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[](%a.param_patt: %i32);
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_int_ref_param_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = <error>
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "int_ref_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %a.patt: %i32 = binding_pattern a
// CHECK:STDOUT:     %.loc7_3.1: %i32 = var_pattern %a.patt
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a.var: ref %i32 = var a
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_3.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_3.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc7_3.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_3.2: init %i32 = converted %int_1, %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   assign %a.var, %.loc7_3.2
// CHECK:STDOUT:   %.loc7_10: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a: ref %i32 = bind_name a, %a.var
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT:   %a.ref: ref %i32 = name_ref a, %a
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_int_pointer_param_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = <error>
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "int_pointer_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %a.patt: %i32 = binding_pattern a
// CHECK:STDOUT:     %.loc7_3.1: %i32 = var_pattern %a.patt
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a.var: ref %i32 = var a
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT:   %bound_method.loc7_3.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc7_3.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc7_3.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   %.loc7_3.2: init %i32 = converted %int_1, %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT:   assign %a.var, %.loc7_3.2
// CHECK:STDOUT:   %.loc7_10: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a: ref %i32 = bind_name a, %a.var
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT:   %a.ref: ref %i32 = name_ref a, %a
// CHECK:STDOUT:   %addr: %ptr.235 = addr_of %a.ref
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_unsupported_primitive_type_param_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %float: f64 = float_literal 1.1000000000000001 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = <error>
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "unsupported_primitive_type_param_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT:   %float: f64 = float_literal 1.1000000000000001 [concrete = constants.%float]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_unsupported_type_among_params_function_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %float: f64 = float_literal 2 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT:     .foo = <error>
// CHECK:STDOUT:     import Cpp//...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Cpp = imports.%Cpp
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT:     import Cpp "unsupported_type_among_params_function_decl.h"
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1]
// CHECK:STDOUT:   %float: f64 = float_literal 2 [concrete = constants.%float]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: