[Bug tree-optimization/89662] [9 Regression] -Warray-bounds ICE on void* arithmetic

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89662

--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Wed Mar 13 17:19:43 2019
New Revision: 269655

URL: https://gcc.gnu.org/viewcvs?rev=269655&root=gcc&view=rev
Log:
PR tree-optimization/89662 - -Warray-bounds ICE on void* arithmetic

gcc/ChangeLog:

        PR tree-optimization/89662
        * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
        has a size.

gcc/testsuite/ChangeLog:

        PR tree-optimization/89662
        * gcc.dg/Warray-bounds-41.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/Warray-bounds-41.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c