[src/trunk]: src/tests/lib/libc/gen Use volatile for explicit 0 dereference

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/295d7644c49c
branches:  trunk
changeset: 765353:295d7644c49c
user:      joerg <joerg%NetBSD.org@localhost>
date:      Tue May 24 15:20:37 2011 +0000

description:
Use volatile for explicit 0 dereference

diffstat:

 tests/lib/libc/gen/t_siginfo.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 39021c903165 -r 295d7644c49c tests/lib/libc/gen/t_siginfo.c
--- a/tests/lib/libc/gen/t_siginfo.c    Tue May 24 14:27:07 2011 +0000
+++ b/tests/lib/libc/gen/t_siginfo.c    Tue May 24 15:20:37 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_siginfo.c,v 1.10 2011/03/02 03:42:56 riz Exp $ */
+/* $NetBSD: t_siginfo.c,v 1.11 2011/05/24 15:20:37 joerg Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -224,7 +224,7 @@
        switch ((child = fork())) {
        case 0:
                sleep(1);
-               *(long *)0 = 0;
+               *(volatile long *)0 = 0;
                atf_tc_fail("Child did not segfault");
                /* NOTREACHED */
        case -1:
@@ -403,7 +403,7 @@
        sigemptyset(&sa.sa_mask);
        sigaction(SIGSEGV, &sa, NULL);
 
-       *(long *)0 = 0;
+       *(volatile long *)0 = 0;
        atf_tc_fail("Test did not fault as expected");
 }