When making dummy file entries, the directory name should also be
non-empty.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63986 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index bf1387a..12aeaa9 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -64,7 +64,7 @@
   
   // Get source file information.
   const char *FileName = FE ? FE->getName() : "<unknown>";
-  const char *DirName = FE ? FE->getDir()->getName() : "";
+  const char *DirName = FE ? FE->getDir()->getName() : "<unknown>";
   
   // Create new compile unit.
   // FIXME: Handle other language IDs as well.