Temporarily XFAIL this test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66866 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 8c074e7..0854aad 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1287,9 +1287,8 @@
       GlobalVariable *CU_GV = cast<GlobalVariable>(DSP->getCompileUnit());
       if (DW && (useDEBUG_LOC || useLABEL) && !CU_GV->isDeclaration()) {
         DICompileUnit CU(cast<GlobalVariable>(DSP->getCompileUnit()));
-        std::string Dir, FN;
-        unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
-                                                   CU.getFilename(FN));
+        unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(),
+                                                   CU.getFilename());
 
         unsigned Line = DSP->getLine();
         unsigned Col = DSP->getColumn();