Limit a MV test just for x86 target.

2018-10-08  Martin Liska  <mliska@suse.cz>

	* g++.dg/ext/pr82625.C: Add dg-compile filter.

From-SVN: r264916

gcc/testsuite/ChangeLog

+2018-10-08  Martin Liska  <mliska@suse.cz>
+
+	* g++.dg/ext/pr82625.C: Add dg-compile filter.
+
 2018-10-08  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/71128

gcc/testsuite/g++.dg/ext/pr82625.C

 /* { dg-do compile } */
 /* { dg-require-ifunc "" } */
 /* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 
 __attribute__ ((target ("default")))
 static unsigned foo(const char *buf, unsigned size) {