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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/57122] [4.9 Regression] ICE in verify_loop_structure, at cfgloop.c:1647 (=?UTF-8?Q?loop=20n=E2=80=99s=20latch=20does=20not=20have=20an=20edge=20to=20its=20header=20=21?=)
Date: Tue, 30 Apr 2013 12:05:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57122

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-30 12:05:15 UTC ---
Started with http://gcc.gnu.org/viewcvs/gcc?view=revision&revision=198333 aka
loops preservation patch.