[Bug rtl-optimization/55833] [4.6/4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1582 (BB should be marked irreducible !)

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55833



--- Comment #10 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-01-17 
19:20:27 UTC ---

Author: mpolacek

Date: Thu Jan 17 19:19:37 2013

New Revision: 195280



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195280

Log:

Fix PR55833.



Added:

    trunk/gcc/testsuite/gcc.dg/pr55833.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/cfgloopmanip.c

    trunk/gcc/loop-unswitch.c

    trunk/gcc/testsuite/ChangeLog