[Bug rtl-optimization/42388] [4.5 Regression] ICE in move_bb_info with sel-sched and modulo-sched for 176.gcc

[abel at gcc dot gnu dot org]

------- Comment #7 from abel at gcc dot gnu dot org  2010-08-24 09:01 -------
Subject: Bug 42388

Author: abel
Date: Tue Aug 24 09:01:18 2010
New Revision: 163507

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163507
Log:
Backport from mainline:
        PR rtl-optimization/42388
         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
         that have no predecessors nor successors.  Do not call move_bb_info
         for empty blocks outside of current region.


Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/sel-sched-ir.c
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42388