Require ifunc support in gcc.target/i386/pr78419.c

	* gcc.target/i386/pr78419.c: Require ifunc support.

From-SVN: r245241

gcc/testsuite/ChangeLog

+2017-02-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* gcc.target/i386/pr78419.c: Require ifunc support.
+
 2017-02-07  David Edelsohn  <dje.gcc@gmail.com>
 
 	* gcc.dg/torture/stackalign/builtin-apply-2.c: Fix skip-if syntax.

gcc/testsuite/gcc.target/i386/pr78419.c

 /* PR middle-end/78419 */
 /* { dg-do compile } */
+/* { dg-require-ifunc "" } */
 
 static double bar (double *__restrict, double *__restrict, int)
 __attribute__ ((target_clones("avx,foo,avx2,avx512f,default")));