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t_siginfo: Use volatile to prevent optimization.

pull/38/head
riastradh 2024-05-14 16:10:54 +00:00
parent fc245f77a0
commit 5e6d5edb94
1 changed files with 2 additions and 2 deletions
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4
tests/lib/libc/gen/t_siginfo.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_siginfo.c,v 1.50 2024/05/14 16:10:14 riastradh Exp $ */
/* $NetBSD: t_siginfo.c,v 1.51 2024/05/14 16:10:54 riastradh Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -386,7 +386,7 @@ ATF_TC_BODY(sigfpe_int, tc)
* Do not use constant 1 here. GCC >= 12 optimizes
* (1 / i) to (abs(i) == 1 ? i : 0), even for -O0.
*/
long unity = strtol("1", NULL, 10),
volatile long unity = strtol("1", NULL, 10),
zero = strtol("0", NULL, 10);
printf("%ld\n", unity / zero);
}