Bug#678249: your mail

Alberto Garcia agarcia at igalia.com
Mon Jun 25 12:46:46 UTC 2012


On Thu, Jun 21, 2012 at 01:31:50PM +0300, Alberto Garcia wrote:

> FYI compiling everything with -O0 (OPTIMIZE=0 in debian/rules) also
> fixes the problem.
> 
> (I'm using gcc 4.7.1-1 btw)

Updated gcc to 4.7.1-2 and the problem is still present. I also found
that using -O2 instead of -O3 fixed the problem, so the problem is
probably in one of these switches that are enabled with -O3:

-finline-functions
-funswitch-loops
-fpredictive-commoning
-fgcse-after-reload
-ftree-vectorize
-ftree-partial-pre
-fipa-cp-clone

(from http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html)

Berto





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