[Bug tree-optimization/84946] [8 Regression] UBSAN: in mem_valid_for_store_merging ../../gcc/gimple-ssa-store-merging.c:3951

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84946

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Mar 19 20:49:57 2018
New Revision: 258665

URL: https://gcc.gnu.org/viewcvs?rev=258665&root=gcc&view=rev
Log:
        PR tree-optimization/84946
        * gimple-ssa-store-merging.c (mem_valid_for_store_merging): Compute
        bitsize + bitsize in poly_uint64 rather than poly_int64.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-store-merging.c