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.

1 files changed, 4 insertions, 4 deletions

diff --git a/aclocal.m4 b/aclocal.m4
index 1640683e1..ac6b6684a 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -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);
 }
                 ]])],