[Bug tree-optimization/92349] [10 Regression] ICE in vrp_prop::check_array_ref at gcc/tree-vrp.c:4181 since r277728

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92349

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Mon Nov  4 18:15:43 2019
New Revision: 277786

URL: https://gcc.gnu.org/viewcvs?rev=277786&root=gcc&view=rev
Log:
PR tree-optimization/92349 - ICE in -Warray-bounds of a VLA member

gcc/testsuite/ChangeLog:

        PR tree-optimization/92349
        * gcc.dg/Warray-bounds-50.c: New test.

gcc/ChangeLog:

        PR tree-optimization/92349
        * tree-vrp.c (vrp_prop::check_array_ref): Avoid assuming struct
        memebers have constant sizes.


Added:
    trunk/gcc/testsuite/gcc.dg/Warray-bounds-50.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c