r222461 - in /branches/gcc-5-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Apr 27 12:21:17 2015
New Revision: 222461

URL: https://gcc.gnu.org/viewcvs?rev=222461&root=gcc&view=rev
Log:
	PR tree-optimization/65875
	* tree-vrp.c (update_value_range): If in is_new case setting
	old_vr to VR_VARYING, also set new_vr to it.  Remove
	old_vr->type == VR_VARYING test.
	(vrp_visit_phi_node): Return SSA_PROP_VARYING instead of
	SSA_PROP_INTERESTING if update_value_range returned true,
	but new range is VR_VARYING.

	* gcc.c-torture/compile/pr65875.c: New test.

Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/compile/pr65875.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/testsuite/ChangeLog
    branches/gcc-5-branch/gcc/tree-vrp.c