r167550 - in /branches/gcc-4_5-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Dec  7 15:30:47 2010
New Revision: 167550

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167550
Log:
	Backport from mainline
	2010-12-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/46777
	* cfglayout.c (duplicate_insn_chain): Avoid duplicating
	also barrier after tablejump.

	* gcc.dg/pr46777.c: New test.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/pr46777.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/cfglayout.c
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog