[Bug middle-end/65048] [5 Regression] ICE in add_phi_args_after_copy_edge, at tree-cfg.c

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65048

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Thu Feb 26 13:56:39 2015
New Revision: 221007

URL: https://gcc.gnu.org/viewcvs?rev=221007&root=gcc&view=rev
Log:
    PR tree-optimization/65048
    * tree-ssa-threadupdate.c (valid_jump_thread_path): New.
    (thread_through_all_blocks): Call valid_jump_thread_path.
    Remove invalid FSM jump-thread paths.

    PR tree-optimization/65048
    * gcc.dg/tree-ssa/ssa-dom-thread-9.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-9.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadupdate.c