[clang] Add ParserConversionAction (PR #169803)

[Sergei Barannikov via cfe-commits]

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@@ -564,6 +564,9 @@ unsigned Parser::ParseAttributeArgsCommon(
               nullptr,
               Sema::ExpressionEvaluationContextRecord::EK_AttrArgument);
 
+          SaveAndRestore<ConversionAction> SavedTranslationState(
+              ParserConversionAction, CA_NoConversion);
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s-barannikov wrote:

Do we need this PR? It seems like ParserConversionAction is now always set to CA_ToLiteralEncoding.


https://github.com/llvm/llvm-project/pull/169803