[Bug rtl-optimization/51051] [4.7 Regression]: build fails on cris-elf building libstdc++-v3

[hp at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51051

--- Comment #8 from Hans-Peter Nilsson <hp at gcc dot gnu.org> 2011-11-14 23:31:17 UTC ---
Author: hp
Date: Mon Nov 14 23:31:13 2011
New Revision: 181371

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181371
Log:
    PR rtl-optimization/51051
    * cfgrtl.c (cfg_layout_can_merge_blocks_p): Return FALSE if the
    move would cause fallthrough into the exit block.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgrtl.c