[llvm-branch-commits] [clang] [clang][diagnostics] Reject embedded NUL characters in inline asm (PR #196462)

[via llvm-branch-commits]

github-actions[bot] wrote:

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

* 53856 tests passed
* 1186 tests skipped
* 1 test failed

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

### Clang
<details>
<summary>Clang.Sema/inline-asm-constraint-embedded-null.c</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 -triple x86_64-unknown-unknown -fsyntax-only -verify C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c
# 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 -triple x86_64-unknown-unknown -fsyntax-only -verify 'C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c'
# .---command stderr------------
# | error: 'expected-error' diagnostics expected but not seen: 
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c Line 6: input constraint contains embedded an null character
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c Line 11: output constraint contains embedded an null character
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c Line 15: clobber contains embedded an null character
# | error: 'expected-error' diagnostics seen but not expected: 
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c Line 6: input constraint contains an embedded null character
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c Line 11: output constraint contains an embedded null character
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\inline-asm-constraint-embedded-null.c Line 15: clobber contains an embedded null character
# | 6 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/196462