[Bug tree-optimization/71272] [7 Regression] internal compiler error: in operator[], through tree-ssa-threadupdate.c:1981

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71272

--- Comment #2 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Wed May 25 22:25:35 2016
New Revision: 236755

URL: https://gcc.gnu.org/viewcvs?rev=236755&root=gcc&view=rev
Log:
        PR tree-optimization/71272
        * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
        Update comments.  Add test for empty path.

        PR tree-optimization/71272
        * gcc.c-torture/compile/pr71272.c: new test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr71272.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadbackward.c