[committed] One further -Wno-return-type testcase tweak

[Jakub Jelinek]

Hi!

In the bootstrap today I've noticed another testcase that FAILs, dunno
how it happened I've missed it earlier.

Fixed thusly, committed as obvious to trunk.

2017-11-22  Jakub Jelinek  <ja...@redhat.com>

        * g++.dg/graphite/pr41562.C: Add -Wno-return-type.

--- gcc/testsuite/g++.dg/graphite/pr41562.C.jj  2010-12-07 17:32:47.000000000 
+0100
+++ gcc/testsuite/g++.dg/graphite/pr41562.C     2017-11-22 21:31:17.274676930 
+0100
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O -ftree-loop-distribution -floop-block" } */
+/* { dg-options "-O -ftree-loop-distribution -floop-block -Wno-return-type" } 
*/
 
 typedef struct stSirenEncoder { } *SirenEncoder;
 

        Jakub