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

["yroux at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

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

--- Comment #7 from Yvan Roux <yroux at gcc dot gnu.org> ---
Author: yroux
Date: Wed Oct 28 09:00:47 2015
New Revision: 229478

URL: https://gcc.gnu.org/viewcvs?rev=229478&root=gcc&view=rev
Log:
gcc/
2015-10-28 Yvan Roux  <yvan.roux@linaro.org>
           Sebastian Pop  <s.pop@samsung.com>

        Backport from trunk r221007, r221675, r222011.
        2015-04-11  Jakub Jelinek  <jakub@redhat.com>

        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.

        2015-03-25  Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/65177
        * tree-ssa-threadupdate.c (verify_seme): Renamed verify_jump_thread.
        (bb_in_bbs): New.
        (duplicate_seme_region): Renamed duplicate_thread_path.  Redirect all
        edges not adjacent on the path to the original code.

        2015-02-26  Sebastian Pop  <s.pop@samsung.com>

        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.

gcc/testsuite/
2015-10-28 Yvan Roux  <yvan.roux@linaro.org>
           Sebastian Pop  <s.pop@samsung.com>

        Backport from trunk r221007, r221675, r222011.
        2015-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65735
        * gcc.c-torture/compile/pr65735.c: New test.

        2015-03-25  Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/65177
        * gcc.dg/tree-ssa/ssa-dom-thread-10.c: New.

        2015-02-26  Sebastian Pop  <s.pop@samsung.com>

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


Added:
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/compile/pr65735.c
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-10.c
   
branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-9.c
Modified:
    branches/linaro/gcc-4_9-branch/gcc/ChangeLog.linaro
    branches/linaro/gcc-4_9-branch/gcc/testsuite/ChangeLog.linaro
    branches/linaro/gcc-4_9-branch/gcc/tree-ssa-threadedge.c
    branches/linaro/gcc-4_9-branch/gcc/tree-ssa-threadupdate.c