https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100213
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Alex Coplan from comment #1)
> For the related:
>
> void a() {
> __builtin_memset(a + 0x7fffffffffffffff, 0, 3);
> }
>
> we see a similar problem to PR100201 in tree-ssa-alias.c:
>
> $ gcc/xgcc -B gcc alias_test.c -c -O
> /home/alecop01/toolchain/src/gcc/gcc/poly-int.h:1107:5: runtime error:
> signed integer overflow: 8 * 9223372036854775807 cannot be represented in
> type 'long int'
> #0 0x2391e74 in poly_int<2u, poly_result<if_nonpoly<int, int,
> poly_int_traits<int>::is_poly>::type, long,
> poly_coeff_pair_traits<if_nonpoly<int, int,
> poly_int_traits<int>::is_poly>::type, long>::result_kind>::type>
> operator*<2u, int, long>(int const&, poly_int_pod<2u, long> const&)
> /home/alecop01/toolchain/src/g
> cc/gcc/poly-int.h:1107
> #1 0x2391e74 in ao_ref_init_from_ptr_and_range
> /home/alecop01/toolchain/src/gcc/gcc/tree-ssa-alias.c:810
This one is PR 121323 and is now fixed on the trunk.
The original one in comment #0 was PR 118819 which is fixed in GCC 15 (and 14
and 13 release branches). So closing as a dup.
*** This bug has been marked as a duplicate of bug 118819 ***
