r189312 - in /branches/gcc-4_7-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Jul  6 09:20:19 2012
New Revision: 189312

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189312
Log:
2012-07-06  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
	2012-04-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52621
	* tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
	consider loop nesting.
	(evolution_function_is_univariate_p): Properly check the remainder
	for chrecs.

	* gfortran.dg/pr52621.f90: New testcase.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gfortran.dg/pr52621.f90
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-chrec.c