carbon-lang/toolchain/check/testdata/let/fail_missing_value.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
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/let/fail_missing_value.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/fail_missing_value.carbon

// CHECK:STDERR: fail_missing_value.carbon:[[@LINE+4]]:11: ERROR: Expected `=`; `let` declaration must have an initializer.
// CHECK:STDERR: let n: i32;
// CHECK:STDERR:           ^
// CHECK:STDERR:
let n: i32;

fn F() {
  // CHECK:STDERR: fail_missing_value.carbon:[[@LINE+3]]:13: ERROR: Expected `=`; `let` declaration must have an initializer.
  // CHECK:STDERR:   let n: i32;
  // CHECK:STDERR:             ^
  let n: i32;
}

// CHECK:STDOUT: --- fail_missing_value.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %F.type: type = fn_type @F [template]
// CHECK:STDOUT:   %F: %F.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = %Core
// CHECK:STDOUT:     .n = %n
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc15_8.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:   %.loc15_8.2: type = converted %int.make_type_32, %.loc15_8.1 [template = i32]
// CHECK:STDOUT:   %n: i32 = bind_name n, <error>
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {}
// CHECK:STDOUT:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc21_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:   %.loc21_10.2: type = converted %int.make_type_32, %.loc21_10.1 [template = i32]
// CHECK:STDOUT:   %n: i32 = bind_name n, <error>
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: