Use createRecordFwdDecl here since that's what we're doing.

llvm-svn: 149051
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 6a775cc..2ddfd31 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1147,15 +1147,8 @@
 
   // If this is just a forward declaration, construct an appropriately
   // marked node and just return it.
-  if (!RD->getDefinition()) {
-    llvm::DIType FwdDecl =
-      DBuilder.createStructType(RDContext, RDName,
-                                DefUnit, Line, 0, 0,
-                                llvm::DIDescriptor::FlagFwdDecl,
-                                llvm::DIArray());
-
-      return FwdDecl;
-  }
+  if (!RD->getDefinition())
+    return createRecordFwdDecl(RD, RDContext);
 
   llvm::DIType FwdDecl = DBuilder.createTemporaryType(DefUnit);