http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52001
Georg-Johann Lay <gjl at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gjl at gcc dot gnu.org
--- Comment #7 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-02-29
11:30:14 UTC ---
(In reply to comment #6)
> Author: aoliva
> Date: Sat Feb 25 12:09:41 2012
> New Revision: 184572
>
> URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184572
> Log:
> PR debug/52001
> * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
> (get_addr): Walk canonical value's locs. Avoid returning VALUEs
> and locs that reference values newer than the non-canonical value
> at hand. Return the canonical value as a worst case.
> (memrefs_conflict_p): Walk canonical value's locs.
>
> Modified:
> trunk/gcc/ChangeLog
> trunk/gcc/alias.c
This caused PR52417.
With alias.c at r184571 the compiler does not enter infinite loop.
