[clang] [clang][test] Try to fix Sema/format-strings.c on i686 (PR #181800)

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github-actions[bot] wrote:

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

* 52610 tests passed
* 962 tests skipped
* 1 test failed

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

### Clang
<details>
<summary>Clang.Sema/format-strings.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 -fblocks -fsyntax-only -verify -Wformat-nonliteral -isystem C:\_work\llvm-project\llvm-project\clang\test\Sema/Inputs C:\_work\llvm-project\llvm-project\clang\test\Sema\format-strings.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 -fblocks -fsyntax-only -verify -Wformat-nonliteral -isystem 'C:\_work\llvm-project\llvm-project\clang\test\Sema/Inputs' 'C:\_work\llvm-project\llvm-project\clang\test\Sema\format-strings.c'
# .---command stderr------------
# | error: 'expected-warning' diagnostics seen but not expected: 
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\format-strings.c Line 993: format specifies type 'size_t' (aka 'unsigned long long') but the argument has type '_Bool'
# |   File C:\_work\llvm-project\llvm-project\clang\test\Sema\format-strings.c Line 994: format specifies type 'ptrdiff_t' (aka 'long long') but the argument has type '_Bool'
# | 2 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/181800