r195238 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jan 16 13:57:48 2013
New Revision: 195238

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195238
Log:
2013-01-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54767
	PR tree-optimization/53465
	* tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
	(vrp_visit_phi_node): For PHI arguments coming via backedges
	drop all symbolical range information.
	(execute_vrp): Compute backedges.

	* gfortran.fortran-torture/execute/pr54767.f90: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.fortran-torture/execute/pr54767.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c