Runtime SEGV from gcc -O3 -march=native
Joseph Quinsey
jquinsey@entrenet.com
Fri Jul 23 03:59:00 GMT 2010
FYI. Source code:
int main(void) {
static int foo[4];
int bar[4];
int i;
for (i = 0; i < 4; i++)
foo[i] = bar[i];
return 0;
}
Compile and run, using Cygwin's current gcc version 4.3.4:
gcc -O3 -march=native foobar.c
a.exe
Segmentation fault (core dumped)
I've submitted a bug report to gcc, and it has been flagged as a duplicate
of the 2008 report: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
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