Set appropriate tag for the composite type.

llvm-svn: 62827
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index 4ca5583..3057797 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1747,6 +1747,7 @@
     const std::string &Name = CTy.getName();
     uint64_t Size = CTy.getSizeInBits() >> 3;
     unsigned Tag = CTy.getTag();
+    Buffer.setTag(Tag);
     switch (Tag) {
     case DW_TAG_vector_type:
     case DW_TAG_array_type: