Debug Info: Use identifier to reference DIType in containing type field of
a DICompositeType.
    
Verifier is updated accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190190 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 6db54d2..f9ea545 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1083,7 +1083,7 @@
     if (CTy.isAppleBlockExtension())
       addFlag(&Buffer, dwarf::DW_AT_APPLE_block);
 
-    DICompositeType ContainingType = CTy.getContainingType();
+    DICompositeType ContainingType(DD->resolve(CTy.getContainingType()));
     if (DIDescriptor(ContainingType).isCompositeType())
       addDIEEntry(&Buffer, dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
                   getOrCreateTypeDIE(DIType(ContainingType)));