[Bug tree-optimization/78886] [5/6/7 Regression] Segmentation fault malloc and volatile

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78886

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Dec 22 13:09:11 2016
New Revision: 243886

URL: https://gcc.gnu.org/viewcvs?rev=243886&root=gcc&view=rev
Log:
Fix tree-optimization/78886.

        PR tree-optimization/78886
        * gcc.dg/tree-ssa/pr78886.c: New test.
        PR tree-optimization/78886
        * tree-ssa-strlen.c (handle_builtin_malloc): Return when LHS
        is equal to NULL.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr78886.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-strlen.c