Fix some minor errors in diagnostic text. (#3047)

toolchain/semantics/semantics_context.cpp

@@ -91,7 +91,8 @@ auto SemanticsContext::DiagnoseDuplicateName(ParseTree::Node parse_node,
 
 auto SemanticsContext::DiagnoseNameNotFound(ParseTree::Node parse_node,
                                             SemanticsStringId name_id) -> void {
-  CARBON_DIAGNOSTIC(NameNotFound, Error, "Name {0} not found", llvm::StringRef);
+  CARBON_DIAGNOSTIC(NameNotFound, Error, "Name `{0}` not found",
+                    llvm::StringRef);
   emitter_->Emit(parse_node, NameNotFound, semantics_ir_->GetString(name_id));
 }
 
@@ -304,7 +305,7 @@ auto SemanticsContext::ImplicitAsForArgs(
         ImplicitAsKind::Incompatible) {
       CARBON_CHECK(diagnostic != nullptr) << "Should have validated first";
       CARBON_DIAGNOSTIC(CallArgTypeMismatch, Note,
-                        "Function cannot be used: Cannot implicityly convert "
+                        "Function cannot be used: Cannot implicitly convert "
                         "argument {0} from `{1}` to `{2}`.",
                         size_t, std::string, std::string);
       diagnostic->Note(param_parse_node, CallArgTypeMismatch, i,

toolchain/semantics/testdata/basics/fail_name_lookup.carbon

@@ -35,7 +35,7 @@
 // CHECK:STDOUT: ]
 
 fn Main() {
-  // CHECK:STDERR: fail_name_lookup.carbon:[[@LINE+3]]:3: Name x not found
+  // CHECK:STDERR: fail_name_lookup.carbon:[[@LINE+3]]:3: Name `x` not found
   // CHECK:STDERR:   x;
   // CHECK:STDERR:   ^
   x;

toolchain/semantics/testdata/function/call/fail_param_type.carbon

@@ -67,7 +67,7 @@ fn Main() {
   // CHECK:STDERR: fail_param_type.carbon:[[@LINE+6]]:6: No matching callable was found.
   // CHECK:STDERR:   Run(1.0);
   // CHECK:STDERR:      ^
-  // CHECK:STDERR: fail_param_type.carbon:[[@LINE-6]]:1: Function cannot be used: Cannot implicityly convert argument 0 from `f64` to `i32`.
+  // CHECK:STDERR: fail_param_type.carbon:[[@LINE-6]]:1: Function cannot be used: Cannot implicitly convert argument 0 from `f64` to `i32`.
   // CHECK:STDERR: fn Run(a: i32) {}
   // CHECK:STDERR: ^
   Run(1.0);

toolchain/semantics/testdata/if/fail_scope.carbon

@@ -71,7 +71,7 @@ fn VarScope(b: bool) -> i32 {
     var n: i32 = 2;
     return n;
   }
-  // CHECK:STDERR: fail_scope.carbon:[[@LINE+3]]:10: Name n not found
+  // CHECK:STDERR: fail_scope.carbon:[[@LINE+3]]:10: Name `n` not found
   // CHECK:STDERR:   return n;
   // CHECK:STDERR:          ^
   return n;

toolchain/semantics/testdata/namespace/fail_unresolved_scope.carbon

@@ -34,7 +34,7 @@
 // CHECK:STDOUT:   ],
 // CHECK:STDOUT: ]
 
-// CHECK:STDERR: fail_unresolved_scope.carbon:[[@LINE+3]]:4: Name Foo not found
+// CHECK:STDERR: fail_unresolved_scope.carbon:[[@LINE+3]]:4: Name `Foo` not found
 // CHECK:STDERR: fn Foo.Baz() {
 // CHECK:STDERR:    ^
 fn Foo.Baz() {

toolchain/semantics/testdata/struct/fail_access_into_invalid.carbon

@@ -36,7 +36,7 @@
 // CHECK:STDOUT: ]
 
 
-// CHECK:STDERR: fail_access_into_invalid.carbon:[[@LINE+3]]:10: Name a not found
+// CHECK:STDERR: fail_access_into_invalid.carbon:[[@LINE+3]]:10: Name `a` not found
 // CHECK:STDERR: fn F() { a.b; }
 // CHECK:STDERR:          ^
 fn F() { a.b; }

toolchain/semantics/testdata/var/fail_init_with_self.carbon

@@ -42,7 +42,7 @@
 // CHECK:STDOUT: ]
 
 fn Main() {
-  // CHECK:STDERR: fail_init_with_self.carbon:[[@LINE+3]]:16: Name x not found
+  // CHECK:STDERR: fail_init_with_self.carbon:[[@LINE+3]]:16: Name `x` not found
   // CHECK:STDERR:   var x: i32 = x;
   // CHECK:STDERR:                ^
   var x: i32 = x;

toolchain/semantics/testdata/var/fail_lookup_outside_scope.carbon

@@ -50,7 +50,7 @@ fn Main() {
   var x: i32;
 }
 
-// CHECK:STDERR: fail_lookup_outside_scope.carbon:[[@LINE+3]]:14: Name x not found
+// CHECK:STDERR: fail_lookup_outside_scope.carbon:[[@LINE+3]]:14: Name `x` not found
 // CHECK:STDERR: var y: i32 = x;
 // CHECK:STDERR:              ^
 var y: i32 = x;