[clang] [clang][bytecode] Don't implicitly begin union member lifetime... (PR #192212)

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Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/192212 at github.com>


github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 53660 tests passed
* 1114 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### Clang
<details>
<summary>Clang.AST/ByteCode/unions.cpp</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
c:\_work\llvm-project\llvm-project\build\bin\clang.exe -cc1 -internal-isystem C:\_work\llvm-project\llvm-project\build\lib\clang\23\include -nostdsysteminc            -verify=expected,both C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp -fexperimental-new-constant-interpreter
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\clang.exe' -cc1 -internal-isystem 'C:\_work\llvm-project\llvm-project\build\lib\clang\23\include' -nostdsysteminc -verify=expected,both 'C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp' -fexperimental-new-constant-interpreter
# note: command had no output on stdout or stderr
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\clang.exe -cc1 -internal-isystem C:\_work\llvm-project\llvm-project\build\lib\clang\23\include -nostdsysteminc -std=c++20 -verify=expected,both C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp -fexperimental-new-constant-interpreter
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\clang.exe' -cc1 -internal-isystem 'C:\_work\llvm-project\llvm-project\build\lib\clang\23\include' -nostdsysteminc -std=c++20 -verify=expected,both 'C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp' -fexperimental-new-constant-interpreter
# .---command stderr------------
# | error: diagnostics with 'error' severity seen but not expected: 
# |   File C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp Line 1043: use of undeclared identifier 'foo'; did you mean 'fo'?
# |   File C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp Line 1043: static assertion expression is not an integral constant expression
# | error: diagnostics with 'note' severity seen but not expected: 
# |   File C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp Line 1038: 'fo' declared here
# |   File C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp Line 1040: read of uninitialized object is not allowed in a constant expression
# |   File C:\_work\llvm-project\llvm-project\clang\test\AST\ByteCode\unions.cpp Line 1043: in call to 'fo()'
# | 5 errors generated.
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/192212