re PR c/68162 (Incompatible pointer type using a typedef)

2015-11-30  Richard Biener  <rguenther@suse.de>

	PR c/68162
	* dwarf2out.c (gen_type_die_with_usage): Keep variant types
	of arrays.

From-SVN: r231058

gcc/ChangeLog

+2015-11-30  Richard Biener  <rguenther@suse.de>
+
+	PR c/68162
+	* dwarf2out.c (gen_type_die_with_usage): Keep variant types
+	of arrays.
+
 2015-11-30  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>
 
 	* tree-if-conv.c (struct ifc_dr): Add new tree

gcc/dwarf2out.c

@@ -20798,9 +20798,10 @@ gen_type_die_with_usage (tree type, dw_die_ref context_die,
   /* We are going to output a DIE to represent the unqualified version
      of this type (i.e. without any const or volatile qualifiers) so
      get the main variant (i.e. the unqualified version) of this type
-     now.  (Vectors are special because the debugging info is in the
+     now.  (Vectors and arrays are special because the debugging info is in the
      cloned type itself).  */
-  if (TREE_CODE (type) != VECTOR_TYPE)
+  if (TREE_CODE (type) != VECTOR_TYPE
+      && TREE_CODE (type) != ARRAY_TYPE)
     type = type_main_variant (type);
 
   /* If this is an array type with hidden descriptor, handle it first.  */