DwarfCompileUnit: Add type safety to createGlobalVariableDIE

llvm-svn: 194979
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
index 884e51a..d782c88 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
@@ -310,7 +310,7 @@
   DIE *getOrCreateContextDIE(DIScope Context);
 
   /// createGlobalVariableDIE - create global variable DIE.
-  void createGlobalVariableDIE(const MDNode *N);
+  void createGlobalVariableDIE(DIGlobalVariable GV);
 
   /// constructContainingTypeDIEs - Construct DIEs for types that contain
   /// vtables.