[Bug tree-optimization/71328] [7 Regression] ice in verify_jump_thread

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71328

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Jun  3 05:20:16 2016
New Revision: 237052

URL: https://gcc.gnu.org/viewcvs?rev=237052&root=gcc&view=rev
Log:
        PR tree-optimization/71328
        * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
        error when checking for a jump back onto the copied path.  */

        PR tree-optimization/71328
        * gcc.c-torture/compile/pr71328.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr71328.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadupdate.c