[libcxx-commits] [clang] [libc] [libcxx] [clang][X86] Emit AVX level mismatch psABI warnings on function definitions (PR #199091)

Joseph Huber via libcxx-commits libcxx-commits at lists.llvm.org
Tue May 26 06:51:06 PDT 2026


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@@ -75,6 +75,8 @@
 
     # We're not annotating all the APIs, since that's a lot of annotations compared to how many we actually care about
     "-Wno-nullability-completeness",
+    # Adding this for now to get the build to pass but needs more detailed review
+    "-Wno-psabi",
----------------
jhuber6 wrote:

>From what I understand, the referenced PR changes the ABI warning to now trigger on any possible use of a vector width that does not strictly conform to the ABI. Both libc and libcxx seem to use these and compile with `-Werror` so this PR disables those warnings.

https://github.com/llvm/llvm-project/pull/199091


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