Do not enable -fdelete-null-pointer-checks at -O2 by default on OpenBSD.

This optimizations is really cool, but it does not work for complex code;
we had to disable it for Perl 5.8 to run correctly, now it turns out it
broke Bind 9 on powerpc, so neuter it for good.

ok deraadt@ henning@ millert@ others@

1 files changed, 2 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/gcc/toplev.c b/gnu/usr.bin/gcc/gcc/toplev.c
index 49e52baf4b0..4bdcfa93abd 100644
--- a/gnu/usr.bin/gcc/gcc/toplev.c
+++ b/gnu/usr.bin/gcc/gcc/toplev.c
@@ -4922,7 +4922,9 @@ parse_options_and_default_flags (argc, argv)
       flag_schedule_insns_after_reload = 1;
 #endif
       flag_regmove = 1;
+#ifndef OPENBSD_NATIVE
       flag_delete_null_pointer_checks = 1;
+#endif
       flag_reorder_blocks = 1;
       flag_reorder_functions = 1;
     }