[clang] [clang] Improve diagnostics for `__builtin_align` builtins with floating/member pointer operands (PR #192650)

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Fri Apr 17 08:35:26 PDT 2026


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In-Reply-To: <llvm.org/llvm/llvm-project/pull/192650 at github.com>


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,c -- clang/lib/Sema/SemaChecking.cpp clang/test/Sema/builtin-align.c clang/test/SemaCXX/builtin-align-cxx.cpp --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 423abcbac..7caae4e66 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -343,7 +343,8 @@ static bool BuiltinAlignment(Sema &S, CallExpr *TheCall, unsigned ID) {
     else if (SrcTy->isMemberPointerType())
       S.Diag(Source->getExprLoc(), diag::note_alignment_invalid_member_pointer);
     else if (SrcTy->isFunctionPointerType())
-      S.Diag(Source->getExprLoc(), diag::note_alignment_invalid_function_pointer);
+      S.Diag(Source->getExprLoc(),
+             diag::note_alignment_invalid_function_pointer);
     return true;
   }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/192650


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