carbon-lang/toolchain/check/testdata/operators/fail_assignment_to_error.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
//
// AUTOUPDATE

fn Main() {
  // CHECK:STDERR: fail_assignment_to_error.carbon:[[@LINE+3]]:3: ERROR: Name `undeclared` not found.
  // CHECK:STDERR:   undeclared = 42;
  // CHECK:STDERR:   ^~~~~~~~~~
  undeclared = 42;
  // CHECK:STDERR: fail_assignment_to_error.carbon:[[@LINE+3]]:4: ERROR: Name `also_undeclared` not found.
  // CHECK:STDERR:   *also_undeclared = 42;
  // CHECK:STDERR:    ^~~~~~~~~~~~~~~
  *also_undeclared = 42;
}

// CHECK:STDOUT: --- fail_assignment_to_error.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %.1: i32 = int_literal 42 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Main = %Main
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Main: <function> = fn_decl @Main [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %undeclared.ref: <error> = name_ref undeclared, <error> [template = <error>]
// CHECK:STDOUT:   %.loc11: i32 = int_literal 42 [template = constants.%.1]
// CHECK:STDOUT:   assign %undeclared.ref, <error>
// CHECK:STDOUT:   %also_undeclared.ref: <error> = name_ref also_undeclared, <error> [template = <error>]
// CHECK:STDOUT:   %.loc15_3: ref <error> = deref <error>
// CHECK:STDOUT:   %.loc15_22: i32 = int_literal 42 [template = constants.%.1]
// CHECK:STDOUT:   assign %.loc15_3, <error>
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: