r169577 - in /branches/google/integration/gcc: ...

[dnovillo@gcc.gnu.org]

Author: dnovillo
Date: Wed Feb  2 17:46:04 2011
New Revision: 169577

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169577
Log:
	PR tree-optimization/47427
	PR tree-optimization/47428
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce if the new root var would be TREE_READONLY.

	* gcc.c-torture/compile/pr47427.c: New test.
	* gcc.c-torture/compile/pr47428.c: New test.

Added:
    branches/google/integration/gcc/testsuite/gcc.c-torture/compile/pr47427.c
    branches/google/integration/gcc/testsuite/gcc.c-torture/compile/pr47428.c
Modified:
    branches/google/integration/gcc/ChangeLog
    branches/google/integration/gcc/testsuite/ChangeLog
    branches/google/integration/gcc/tree-ssa-copyrename.c