[Bug rtl-optimization/27437] [4.2 Regression]: -O3 regression due to SEE
reichelt at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Fri May 5 12:42:00 GMT 2006
------- Comment #4 from reichelt at gcc dot gnu dot org 2006-05-05 12:41 -------
Here's a testcase that crashes on x86_64-unknown-linux-gnu with -O3
or -O2 -fsee:
====================================
unsigned char foo(unsigned char i)
{
while (1 << i)
--i;
return i;
}
====================================
--
reichelt at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |reichelt at gcc dot gnu dot
| |org
Severity|normal |critical
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27437
More information about the Gcc-bugs
mailing list