https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
--- Comment #10 from Martin Liška ---
Author: marxin
Date: Tue Apr 3 13:43:22 2018
New Revision: 259030
URL: https://gcc.gnu.org/viewcvs?rev=259030=gcc=rev
Log:
Remove UBSAN in dwarf2out.c (PR tree-optimization/82491).
2018-04-03 Martin
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
--- Comment #9 from rsandifo at gcc dot gnu.org
---
(In reply to Martin Liška from comment #8)
> (In reply to Jakub Jelinek from comment #7)
> > Dunno, either perform the calculation in poly_uint64 instead and then cast
> > to poly_int64, or
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
--- Comment #8 from Martin Liška ---
(In reply to Jakub Jelinek from comment #7)
> (In reply to Martin Liška from comment #5)
> > Thanks Richard!
> >
> > Now I still see the other issue in dwarf2out:
> >
> > Breakpoint 1, based_loc_descr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
--- Comment #7 from Jakub Jelinek ---
(In reply to Martin Liška from comment #5)
> Thanks Richard!
>
> Now I still see the other issue in dwarf2out:
>
> Breakpoint 1, based_loc_descr (reg=0x751183a8, offset=...,
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
--- Comment #6 from Martin Liška ---
Author: marxin
Date: Mon Feb 19 18:29:52 2018
New Revision: 257816
URL: https://gcc.gnu.org/viewcvs?rev=257816=gcc=rev
Log:
Fix ubsan in gimple-fold.c (PR tree-optimization/82491).
2018-02-19 Martin Liska
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
Martin Liška changed:
What|Removed |Added
Target Milestone|--- |8.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
Martin Liška changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
rsandifo at gcc dot gnu.org changed:
What|Removed |Added
CC||rsandifo at gcc dot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
Martin Liška changed:
What|Removed |Added
CC||rdsandiford at googlemail dot
com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491
--- Comment #1 from Richard Biener ---
if (!integer_zerop (TREE_OPERAND (base, 1)))
{
if (!tree_fits_shwi_p (TREE_OPERAND (base, 1)))
return NULL_TREE;
the above check isn't enough to catch overflow below.
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