Fix tree-prof/pr66295.c

This testcase can only ever be built on x86 (it needs the "avx*"
attributes).  This patch skips the test elsewhere.


gcc/testsuite/
	* gcc.dg/tree-prof/pr66295.c: Skip unless on an x86 target.

From-SVN: r246206

gcc/testsuite/ChangeLog

@@ -1,3 +1,7 @@
+2017-03-16  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	* gcc.dg/tree-prof/pr66295.c: Skip unless on an x86 target.
+
 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
 
 	PR fortran/80010

gcc/testsuite/gcc.dg/tree-prof/pr66295.c

@@ -1,4 +1,5 @@
 /* { dg-require-ifunc "" } */
+/* { dg-skip-if "" { ! { i?86-*-* x86_64-*-* } } } */
 /* { dg-options "-O2" } */
 
 static double bar (double *__restrict, double *__restrict, int)