[Bug tree-optimization/25643] VRP does not remove -fbounds-check for Fortran
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Jun 29 13:23:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25643
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |NEW
--- Comment #13 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-06-29 13:23:15 UTC ---
(In reply to comment #5)
> Grrr:
> Visiting PHI node: i_3 = PHI <i_17(4), i_13(13)>;
> Argument #0 (4 -> 12 executable)
> i_17
> Value: [1, 1] EQUIVALENCES: { } (0 elements)
>
> Argument #1 (13 -> 12 executable)
> i_13
> Value: [2, +INF] EQUIVALENCES: { } (0 elements)
>
> so we have [1,1] UNION [2, +INF] and we just get ~[0,0] bogus
> and it also means this is PR 23744.
This is now fixed but the rest still applies.
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