------- Comment #2 from ebotcazou at gcc dot gnu dot org 2007-09-17 06:46
-------
> It doesn't appear in x86 Mac Os X 10.4 with "version 4.0.1 (Apple Computer,
> Inc. build 5250)"
Because the GCC released by Apple defaults to -fno-strict-aliasing.
> Gcc "forget" code's dependancy.
No, your code violates the aliasing rules of the ISO C standard and GCC is
allowed to optimize it. Either fix your code or use -fno-strict-aliasing.
--
ebotcazou at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot gnu dot
| |org
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33450
