r222054 - in /trunk/gcc: ChangeLog testsuite/Ch...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Mon Apr 13 14:16:41 2015
New Revision: 222054

URL: https://gcc.gnu.org/viewcvs?rev=222054&root=gcc&view=rev
Log:

	* g++.dg/tree-ssa/nonzero-3.C: New testcase.
	* tree-vrp.c (nonnull_arg_p): THIS pointers and references are non-zero.
	(gimple_stmt_nonzero_warnv_p): Reference return values are non-zero.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/nonzero-3.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c