[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Oct  2 15:44:10 2017
New Revision: 253356

URL: https://gcc.gnu.org/viewcvs?rev=253356&root=gcc&view=rev
Log:
        PR tree-optimization/82387
        PR tree-optimization/82388
        PR tree-optimization/82389
        * tree-ssa-dse.c (dse_classify_store): Test byte_tracking_enabled
        instead of live_bytes non-NULL.

        * gcc.c-torture/compile/pr82389.c: New test.
        * gcc.c-torture/execute/pr82387.c: New test.
        * gcc.c-torture/execute/pr82388.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr82389.c
    trunk/gcc/testsuite/gcc.c-torture/execute/pr82387.c
    trunk/gcc/testsuite/gcc.c-torture/execute/pr82388.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-dse.c