Fix the case of a .cfi_rel_offset before any .cfi_def_cfa_offset.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129362 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index c4a83e5..87b7cd6 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -149,9 +149,6 @@
     LastOffset += Adjustment;
     return LastOffset;
   }
-  int64_t getLastOffset() {
-    return LastOffset;
-  }
   void setLastOffset(int64_t Offset) {
     LastOffset = Offset;
   }
@@ -2402,9 +2399,8 @@
   if (getParser().ParseAbsoluteExpression(Offset))
     return true;
 
-  Offset -= getParser().getLastOffset();
-
-  return getStreamer().EmitCFIOffset(Register, Offset);
+  getStreamer().EmitCFIRelOffset(Register, Offset);
+  return false;
 }
 
 static bool isValidEncoding(int64_t Encoding) {