Do not forget to derived type while constructing an array type.

llvm-svn: 63233
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index 63fb68b..8d66812 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1869,6 +1869,8 @@
     if (CTy->getTag() == DW_TAG_vector_type)
       AddUInt(&Buffer, DW_AT_GNU_vector, DW_FORM_flag, 1);
     
+    // Emit derived type.
+    AddType(DW_Unit, &Buffer, CTy->getTypeDerivedFrom());    
     DIArray Elements = CTy->getTypeArray();
 
     // Construct an anonymous type for index type.