re PR libgomp/50386 (libgomp.h:87:5: error: unnamed struct/union that defines no instances)

gcc/
	PR middle-end/50386
	PR middle-end/50326
	* tree-sra.c (build_ref_for_model): Use the type of the field as
	the type of the COMPONENT_REF.

From-SVN: r179285

gcc/ChangeLog

+2011-09-27  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	PR middle-end/50386
+	PR middle-end/50326
+	* tree-sra.c (build_ref_for_model): Use the type of the field as
+	the type of the COMPONENT_REF.
+
 2011-09-27  Jeff Law  <law@redhat.com>
 
 	* ifcvt.c (cheap_bb_rtx_cost_p): Add SCALE argument.  Scale

gcc/tree-sra.c

@@ -1504,7 +1504,7 @@ build_ref_for_model (location_t loc, tree base, HOST_WIDE_INT offset,
       offset -= TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (fld));
       exp_type = TREE_TYPE (TREE_OPERAND (model->expr, 0));
       t = build_ref_for_offset (loc, base, offset, exp_type, gsi, insert_after);
-      return fold_build3_loc (loc, COMPONENT_REF, model->type, t, fld,
+      return fold_build3_loc (loc, COMPONENT_REF, TREE_TYPE (fld), t, fld,
 			      TREE_OPERAND (model->expr, 2));
     }
   else