[Bug middle-end/69347] [6 regression] excessive compile time with -O2

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69347

--- Comment #7 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Tue Jan 19 23:03:26 2016
New Revision: 232593

URL: https://gcc.gnu.org/viewcvs?rev=232593&root=gcc&view=rev
Log:
        PR middle-end/69347
        * tree-ssa-threadbackwards.c
        (fsm_find_control_statement_thread_paths): Do not try to lookup
        FSM paths for SSA_NAMEs appearing in abnormal PHIs.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-threadbackward.c