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From: "miyuki at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/66357] [6 Regression] ICE on valid code at -O1, -O2 and -O3 on x86_64-linux-gnu in verify_loop_structure, at cfgloop.c:1662
Date: Mon, 01 Jun 2015 06:51:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66357

Mikhail Maltsev <miyuki at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-06-01
                 CC|                            |miyuki at gcc dot gnu.org
            Summary|ICE on valid code at -O1,   |[6 Regression] ICE on valid
                   |-O2 and -O3 on              |code at -O1, -O2 and -O3 on
                   |x86_64-linux-gnu in         |x86_64-linux-gnu in
                   |verify_loop_structure, at   |verify_loop_structure, at
                   |cfgloop.c:1662              |cfgloop.c:1662
     Ever confirmed|0                           |1

--- Comment #1 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
Started with r223861.