r244926 - in /branches/gcc-6-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Jan 26 11:16:49 2017
New Revision: 244926

URL: https://gcc.gnu.org/viewcvs?rev=244926&root=gcc&view=rev
Log:
2017-01-26  Richard Biener  <rguenther@suse.de>

	* tree-vrp.c (vrp_visit_assignment_or_call): Use set_defs_to_varying.

	Backport from mainline
	2016-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79034
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
	Propagate out degenerate PHIs in the joiner.

	* g++.dg/torture/pr79034.C: New testcase.

	2016-12-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/78742
	* tree.c (cst_and_fits_in_hwi): Look if the actual value fits.
	* tree-object-size.c (compute_builtin_object_size): Use
	tree_fits_shwi_p.
	* tree-data-ref.c (initialize_matrix_A): Remove excess assert.

	* gcc.dg/torture/pr78742.c: New testcase.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/pr79034.C
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr78742.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-call-cdce.c
    branches/gcc-6-branch/gcc/tree-data-ref.c
    branches/gcc-6-branch/gcc/tree-vrp.c
    branches/gcc-6-branch/gcc/tree.c