This test FAILs on i686-linux with
.../gcc/testsuite/g++.dg/opt/vectcond-1.C:8:57: warning: MMX vector return without MMX enabled changes the ABI [-Wpsabi]
.../gcc/testsuite/g++.dg/opt/vectcond-1.C:17:12: warning: MMX vector argument without MMX enabled changes the ABI [-Wpsabi]
excess warning. Fixed by using -Wno-psabi.
2023-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/19832
* g++.dg/opt/vectcond-1.C: Add -Wno-psabi to dg-options.
/* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-ccp1 -fdump-tree-optimized" } */
+/* { dg-options "-O2 -fdump-tree-ccp1 -fdump-tree-optimized -Wno-psabi" } */
/* This is the vector version of these optimizations. */
/* PR tree-optimization/19832 */