DebugInfo: remove unused parameter from function. NFC.

I think it's a hold-over from some previous iteration, but it's never
set to true in LLVM as it exists now.

llvm-svn: 293086
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
index 61b2c7e..c584e5a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
@@ -32,7 +32,7 @@
   }
 }
 
-void DwarfExpression::AddRegIndirect(int DwarfReg, int Offset, bool Deref) {
+void DwarfExpression::AddRegIndirect(int DwarfReg, int Offset) {
   assert(DwarfReg >= 0 && "invalid negative dwarf register number");
   if (DwarfReg < 32) {
     EmitOp(dwarf::DW_OP_breg0 + DwarfReg);
@@ -41,8 +41,6 @@
     EmitUnsigned(DwarfReg);
   }
   EmitSigned(Offset);
-  if (Deref)
-    EmitOp(dwarf::DW_OP_deref);
 }
 
 void DwarfExpression::AddOpPiece(unsigned SizeInBits, unsigned OffsetInBits) {