[clang] [Clang] raise extension warning for unknown namespaced attributes (PR #120925)

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github-actions[bot] wrote:

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


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``````````bash
git-clang-format --diff 44514316bd5ef656076b6baaf6bccb298d98f0ea bce88b1bb464438828fc177c978ad2b99957530f --extensions c,cpp -- clang/test/Sema/unknown-attributes.c clang/lib/Sema/SemaDeclAttr.cpp clang/test/CXX/dcl.dcl/dcl.attr/dcl.attr.grammar/p2-1z.cpp clang/test/CXX/module/module.interface/p3.cpp clang/test/Lexer/cxx2a-spaceship.cpp clang/test/OpenMP/openmp_attribute_parsing.cpp clang/test/Parser/c2x-attributes.c clang/test/Parser/cxx0x-attributes.cpp clang/test/Sema/patchable-function-entry-attr.cpp clang/test/SemaCXX/cxx2a-ms-no-unique-address.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index 9b1ffebe08..520508a2c9 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -6548,9 +6548,8 @@ ProcessDeclAttribute(Sema &S, Scope *scope, Decl *D, const ParsedAttr &AL,
                ? (unsigned)diag::err_keyword_not_supported_on_target
            : AL.isDeclspecAttribute()
                ? (unsigned)diag::warn_unhandled_ms_attribute_ignored
-           : AL.getScopeName()
-               ? (unsigned)diag::ext_unknown_attribute_ignored
-               : (unsigned)diag::warn_unknown_attribute_ignored)
+           : AL.getScopeName() ? (unsigned)diag::ext_unknown_attribute_ignored
+                               : (unsigned)diag::warn_unknown_attribute_ignored)
         << AL << AL.getRange();
     return;
   }

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https://github.com/llvm/llvm-project/pull/120925