r184074 - in /branches/gcc-4_5-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Feb  9 21:39:20 2012
New Revision: 184074

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184074
Log:
	Backported from mainline
	2012-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/52139
	* cfgrtl.c (cfg_layout_merge_blocks): If BB_END
	is a BARRIER after emit_insn_after_noloc, move BB_END
	to the last non-BARRIER insn before it.

	* gcc.dg/pr52139.c: New test.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/pr52139.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/cfgrtl.c
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog