Improve detection of -fzero-call-used-regs=used.

Should better detect problems with gcc 13 on m68k.  bz#3673 from Colin
Watson via bz#3673 and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934

Signed-off-by: Darren Tucker <dtucker@dtucker.net>

diff --git a/m4/openssh.m4 b/m4/openssh.m4
index 033df501c3d80772d376d6ad0b26ea493a3bb58c..176a8d1c9282f4ea7d5475c210eb82aba107cbc8 100644 (file)
--- a/m4/openssh.m4
+++ b/m4/openssh.m4
@@ -20,7 +20,10 @@ char *f2(char *s, ...) {
        va_end(args);
        return strdup(ret);
 }
+int i;
+double d;
 const char *f3(int s) {
+       i = (int)d;
        return s ? "good" : "gooder";
 }
 int main(int argc, char **argv) {