[clang] [llvm] Enable fexec-charset option (PR #138895)

[Abhina Sree via cfe-commits]

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@@ -111,6 +111,18 @@ inline bool isLiteral(TokenKind K) {
   return isInLiteralRange;
 }
 
+/// Return true if this is a UTF literal kind.
+inline bool isUTFLiteral(TokenKind K) {
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abhina-sree wrote:

Thanks, this is removed

https://github.com/llvm/llvm-project/pull/138895