r168118 - in /trunk/gcc: ChangeLog ira.c testsu...

[steven@gcc.gnu.org]

Author: steven
Date: Tue Dec 21 14:55:41 2010
New Revision: 168118

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168118
Log:
gcc/
	PR rtl-optimization/46755
	* ira.c (ira): If some dead edges were removed, find and delete
	any blocks that might have become unreachable.

testsuite/
	PR rtl-optimization/46755
	* gfortran.dg/pr46755.f: New test

Added:
    trunk/gcc/testsuite/gfortran.dg/pr46755.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c
    trunk/gcc/testsuite/ChangeLog