[testsuite] Skip gcc.target/sparc/20151219-1.c in 64-bit mode

[Eric Botcazou]

The test doesn't really make sense in 64-bit mode.

Applied on the mainline.


2016-01-06  Eric Botcazou  <ebotca...@adacore.com>

        * gcc.target/sparc/20151219-1.c: Skip in 64-bit mode.

-- 
Eric Botcazou
Index: gcc.target/sparc/20151219-1.c
===================================================================
--- gcc.target/sparc/20151219-1.c	(revision 232097)
+++ gcc.target/sparc/20151219-1.c	(working copy)
@@ -2,6 +2,7 @@
 /* Reported by Sebastian Huber <sebastian.hu...@embedded-brains.de> */
 
 /* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
 /* { dg-options "-O2 -mtune=supersparc" } */
 
 typedef unsigned int size_t;