[Bug tree-optimization/81603] Various compiler UB on very large constant offsets

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81603

--- Comment #3 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 16:05:54 2017
New Revision: 252184

URL: https://gcc.gnu.org/viewcvs?rev=252184&root=gcc&view=rev
Log:
        PR tree-optimization/81603
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
        offset arithmetic in offset_int, bail out if the resulting bit offset
        doesn't fit into shwi.

Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/ipa-polymorphic-call.c