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carbon-lang/toolchain/check/testdata/alias/fail_control_flow.carbon
T
Jon Ross-Perkins 1437b0e26d Implement 'alias' with transparent semantics. (#3701)
Adds `BindAlias` with a hybrid of `BindName` and `NameRef` semantics. I
think it's slightly closer to `BindName` because it introduces a name,
so I'm going more in that direction. This also matches the need for
`bind_name_id` with imports on enclosing scopes.

Note, only things that look like a name reference are being allowed on
the RHS of `alias`. This includes builtins that look like name
references, such as `bool`, but not ones that turn into values
underneath, such as `false`.
2024-02-14 18:33:18 +00:00

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// 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
// CHECK:STDERR: fail_control_flow.carbon:[[@LINE+9]]:11: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
// CHECK:STDERR: alias a = true or false;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_control_flow.carbon:[[@LINE+6]]:11: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
// CHECK:STDERR: alias a = true or false;
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR: fail_control_flow.carbon:[[@LINE+3]]:11: ERROR: Alias initializer must be a name reference.
// CHECK:STDERR: alias a = true or false;
// CHECK:STDERR: ^~~~~~~~~~~~~
alias a = true or false;
// CHECK:STDOUT: --- fail_control_flow.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: bool = bool_literal true [template]
// CHECK:STDOUT: %.2: bool = bool_literal false [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %.loc16: bool = block_arg <unexpected instblockref block4>
// CHECK:STDOUT: %a: <error> = bind_alias a, <error> [template = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT: