Update for new SourceLocation API.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62556 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 1aab4bb..d3fee11 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -51,6 +51,7 @@
     return llvm::DICompileUnit();
 
   SourceManager &SM = M->getContext().getSourceManager();
+  Loc = SM.getInstantiationLoc(Loc);
   const FileEntry *FE = SM.getFileEntryForID(SM.getFileID(Loc));
   if (FE == 0) return llvm::DICompileUnit();