[Bug tree-optimization/53966] procmail build deadloop on _autotst & -O3

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53966

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |tree-optimization

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-07-14 21:10:26 UTC ---
Are you sure you are not invoking some undefined behavior, like signed overflow
or aliasing issues?  Can you try with -fno-strict-aliasing and/or -fwrapv ?

"-O3 -fno-ipa-cp-clone" causes it, then most likely -O2 -finline-functions will
reproduce the issue too.