DwarfCompileUnit: Add type safety to createGlobalVariableDIE

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194979 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index cb0e899..59a4842 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1508,8 +1508,7 @@
 }
 
 /// createGlobalVariableDIE - create global variable DIE.
-void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
-  DIGlobalVariable GV(N);
+void CompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
 
   // Check for pre-existence.
   if (getDIE(GV))
@@ -1617,7 +1616,7 @@
     // it is not a static member.
     if (!IsStaticMember)
       addConstantValue(VariableDIE, CI, isUnsignedDIType(DD, GTy));
-  } else if (const ConstantExpr *CE = getMergedGlobalExpr(N->getOperand(11))) {
+  } else if (const ConstantExpr *CE = getMergedGlobalExpr(GV->getOperand(11))) {
     addToAccelTable = true;
     // GV is a merged global.
     DIEBlock *Block = new (DIEValueAllocator) DIEBlock();