[Bug middle-end/77624] [5/6 Regression] ICE on x86_64-linux-gnu (internal compiler error: in fold_builtin_atomic_always_lock_free, at builtins.c:5583)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77624

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec  7 22:29:54 2016
New Revision: 243384

URL: https://gcc.gnu.org/viewcvs?rev=243384&root=gcc&view=rev
Log:
        Backported from mainline
        2016-09-20  Jakub Jelinek  <ja...@redhat.com>

        PR middle-end/77624
        * builtins.c (fold_builtin_atomic_always_lock_free): Only look through
        cast to void * if the cast is from some other pointer type.

        * c-c++-common/pr77624-1.c: New test.
        * c-c++-common/pr77624-2.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/c-c++-common/pr77624-1.c
    branches/gcc-6-branch/gcc/testsuite/c-c++-common/pr77624-2.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/builtins.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog