carbon-lang/toolchain/check/testdata/struct/fail_assign_to_empty.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/struct/fail_assign_to_empty.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/struct/fail_assign_to_empty.carbon

// CHECK:STDERR: fail_assign_to_empty.carbon:[[@LINE+3]]:13: error: cannot initialize struct with 0 fields from struct with 1 field [StructInitElementCountMismatch]
// CHECK:STDERR: var x: {} = {.a = 1};
// CHECK:STDERR:             ^~~~~~~~
var x: {} = {.a = 1};

// CHECK:STDOUT: --- fail_assign_to_empty.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT:   %struct_type.a: type = struct_type {.a: Core.IntLiteral} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .x = %x
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %x.var: ref %empty_struct_type = var x
// CHECK:STDOUT:   %x: ref %empty_struct_type = bind_name x, %x.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1]
// CHECK:STDOUT:   %.loc14: %struct_type.a = struct_literal (%int_1)
// CHECK:STDOUT:   assign file.%x.var, <error>
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: