fix a bug in range information for $42, eliminate an 
unneeded argument from ParseExpression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93536 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmParser.cpp b/tools/llvm-mc/AsmParser.cpp
index 4e03646..d4af4bd 100644
--- a/tools/llvm-mc/AsmParser.cpp
+++ b/tools/llvm-mc/AsmParser.cpp
@@ -271,8 +271,8 @@
 }
 
 bool AsmParser::ParseExpression(const MCExpr *&Res) {
-  SMLoc L;
-  return ParseExpression(Res, L, L);
+  SMLoc EndLoc;
+  return ParseExpression(Res, EndLoc);
 }
 
 /// ParseExpression - Parse an expression and return it.
@@ -282,9 +282,7 @@
 ///  expr ::= expr *,/,%,<<,>> expr  -> highest.
 ///  expr ::= primaryexpr
 ///
-bool AsmParser::ParseExpression(const MCExpr *&Res,
-                                SMLoc &StartLoc, SMLoc &EndLoc) {
-  StartLoc = Lexer.getLoc();
+bool AsmParser::ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) {
   Res = 0;
   return ParsePrimaryExpr(Res, EndLoc) ||
          ParseBinOpRHS(1, Res, EndLoc);
diff --git a/tools/llvm-mc/AsmParser.h b/tools/llvm-mc/AsmParser.h
index 63bac59..5aefb5b 100644
--- a/tools/llvm-mc/AsmParser.h
+++ b/tools/llvm-mc/AsmParser.h
@@ -80,8 +80,7 @@
   virtual bool Error(SMLoc L, const Twine &Msg);
 
   bool ParseExpression(const MCExpr *&Res);
-  virtual bool ParseExpression(const MCExpr *&Res,
-                               SMLoc &StartLoc, SMLoc &EndLoc);
+  virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc);
   virtual bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc);
   virtual bool ParseAbsoluteExpression(int64_t &Res);