[libcxx-commits] [clang] [libcxx] [clang] Treat unnamed bitfields as padding in `__builtin_clear_padding` (PR #201102)

via libcxx-commits libcxx-commits at lists.llvm.org
Tue Jun 2 05:06:45 PDT 2026


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 -- clang/lib/CodeGen/CGBuiltin.cpp libcxx/test/libcxx/atomics/builtin_clear_padding.pass.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/libcxx/test/libcxx/atomics/builtin_clear_padding.pass.cpp b/libcxx/test/libcxx/atomics/builtin_clear_padding.pass.cpp
index 6b10e7bea..198686f44 100644
--- a/libcxx/test/libcxx/atomics/builtin_clear_padding.pass.cpp
+++ b/libcxx/test/libcxx/atomics/builtin_clear_padding.pass.cpp
@@ -660,7 +660,7 @@ void structTests() {
   {
     struct S {
       unsigned int b1 : 1;
-      unsigned int : 30;
+      unsigned int    : 30;
       unsigned int b2 : 1;
     };
 

``````````

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https://github.com/llvm/llvm-project/pull/201102


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