Fix ia32 test failure:
FAIL: gcc.dg/torture/pr113255.c -O1 (test for excess errors)
Excess errors:
cc1: error: '-mstringop-strategy=rep_8byte' not supported for 32-bit code
PR rtl-optimization/113255
* gcc.dg/torture/pr113255.c (dg-additional-options): Add only
if not ia32.
/* { dg-do run } */
-/* { dg-additional-options "-mtune=k8 -mstringop-strategy=rep_8byte" { target { x86_64-*-* i?86-*-* } } } */
+/* { dg-additional-options "-mtune=k8 -mstringop-strategy=rep_8byte" { target { { i?86-*-* x86_64-*-* } && { ! ia32 } } } } */
struct S { unsigned a[10]; unsigned y; unsigned b[6]; } g[2];