[pushed] testsuite: Add target requires for ifuncs to mv31.C.

[Iain Sandoe via Gcc-patches]

g++.target/i386/mv31.C fails on targets without ifuncs support so add
the necessary target supports guard.

tested on x86_64 linux and darwin.
pushed to master, thanks,
Iain

Signed-off-by: Iain Sandoe <i...@sandoe.co.uk>

gcc/testsuite/ChangeLog:

        * g++.target/i386/mv31.C: Add target supports guard for ifuncs.
---
 gcc/testsuite/g++.target/i386/mv31.C | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/g++.target/i386/mv31.C 
b/gcc/testsuite/g++.target/i386/mv31.C
index 5d8fd1ddf75..70a40f1e28a 100644
--- a/gcc/testsuite/g++.target/i386/mv31.C
+++ b/gcc/testsuite/g++.target/i386/mv31.C
@@ -1,4 +1,5 @@
 // PR c++/104669
+// { dg-require-ifunc "" }
 
 void bar()
 {
-- 
2.24.3 (Apple Git-128)