Mark "failures" volatile to avoid a problem with sigsetjmp/siglongjmp.

This makes the test pass on sparc64 where the compiler may otherwise
store the variable in the strlcpy/strlcat function's delay slot.
OK kettenis@

1 files changed, 2 insertions, 2 deletions

diff --git a/src/regress/lib/libc/strlcat/strlcattest.c b/src/regress/lib/libc/strlcat/strlcattest.c
index 00a9212eb5..a86fbed843 100644
--- a/src/regress/lib/libc/strlcat/strlcattest.c
+++ b/src/regress/lib/libc/strlcat/strlcattest.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: strlcattest.c,v 1.4 2021/09/01 09:26:32 jasper Exp $ */
+/*      $OpenBSD: strlcattest.c,v 1.5 2021/09/27 19:33:58 millert Exp $ */
 
 /*
  * Copyright (c) 2014 Todd C. Miller <millert@openbsd.org>
@@ -41,7 +41,7 @@ main(int argc, char *argv[])
         char *buf, *cp, *ep;
         struct sigaction sa;
         size_t len, bufsize;
-        int failures = 0;
+        volatile int failures = 0;
 
         bufsize = getpagesize(); /* trigger guard pages easily */
         buf = malloc(bufsize);