llvm-mc: Stop uniqueing string tokens, nothing actually uses this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77287 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmLexer.h b/tools/llvm-mc/AsmLexer.h
index c862a05..25311c8 100644
--- a/tools/llvm-mc/AsmLexer.h
+++ b/tools/llvm-mc/AsmLexer.h
@@ -59,13 +59,11 @@
   
   const char *CurPtr;
   const MemoryBuffer *CurBuf;
-  // A llvm::StringSet<>, which provides uniqued and null-terminated strings.
-  void *TheStringSet;
   
   // Information about the current token.
   const char *TokStart;
   asmtok::TokKind CurKind;
-  const char *CurStrVal;  // This is valid for Identifier.
+  StringRef CurStrVal;  // This is valid for Identifier.
   int64_t CurIntVal;
   
   /// CurBuffer - This is the current buffer index we're lexing from as managed