diff options
| author | Darren Tucker <dtucker@zip.com.au> | 2016-08-17 13:35:43 +1000 |
|---|---|---|
| committer | Darren Tucker <dtucker@zip.com.au> | 2016-08-17 13:35:43 +1000 |
| commit | a8fc0f42e1eda2fa3393d1ea5e61322d5e07a9cd (patch) | |
| tree | 0a4f9af1a8ff8c4f555767a628cbcb55ffb62a9d /aclocal.m4 | |
| parent | a1cc637e7e11778eb727559634a6ef1c19c619f6 (diff) | |
Test multiplying two long long ints.
When using clang with -ftrapv or -sanitize=integer the tests would pass
but linking would fail with "undefined reference to __mulodi4".
Explicitly test for this before enabling -trapv.
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -1,5 +1,3 @@ -dnl $Id: aclocal.m4,v 1.13 2014/01/22 10:30:12 djm Exp $ -dnl dnl OpenSSH-specific autoconf macros dnl @@ -59,7 +57,8 @@ int main(int argc, char **argv) { float l = i * 2.1; double m = l / 0.5; long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; - printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o); + long long int p = n * o; + printf("%d %d %d %f %f %lld %lld %lld\n", i, j, k, l, m, n, o, p); exit(0); } ]])], @@ -96,7 +95,8 @@ int main(int argc, char **argv) { float l = i * 2.1; double m = l / 0.5; long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; - printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o); + long long p = n * o; + printf("%d %d %d %f %f %lld %lld %lld\n", i, j, k, l, m, n, o, p); exit(0); } ]])], |