[Bug middle-end/65735] [5 Regression] ICE (in duplicate_thread_path, at tree-ssa-threadupdate.c)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65735

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sat Apr 11 17:32:54 2015
New Revision: 222011

URL: https://gcc.gnu.org/viewcvs?rev=222011&root=gcc&view=rev
Log:
    PR tree-optimization/65735
    * tree-ssa-threadedge.c (fsm_find_control_statement_thread_paths):
    Remove visited_phis argument, add visited_bbs, avoid recursing into the
    same bb rather than just into the same phi node.
    (thread_through_normal_block): Adjust caller.

    * gcc.c-torture/compile/pr65735.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr65735.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadedge.c