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[Bug tree-optimization/69740] [5/6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "verify_loop_structure"


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69740

--- Comment #11 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Sun Feb 28 06:43:07 2016
New Revision: 233788

URL: https://gcc.gnu.org/viewcvs?rev=233788&root=gcc&view=rev
Log:


        Revert
        2016-02-26  Richard Biener  <rguenther@suse.de>
                    Jeff Law  <law@redhat.com>

        Backport from mainline
        2016-02-26  Richard Biener  <rguenther@suse.de>
                    Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.


        Revert
        2016-02-26  Richard Biener  <rguenther@suse.de>
                    Jeff Law  <law@redhat.com>

        Backport from mainline
        2016-02-26  Richard Biener  <rguenther@suse.de>
                    Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * gcc.c-torture/compile/pr69740-1.c: New test.
        * gcc.c-torture/compile/pr69740-2.c: New test.

2016-02-26  Richard Biener  <rguenther@suse.de>

Removed:
    branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/compile/pr69740-1.c
    branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/compile/pr69740-2.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/cfghooks.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog

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