r244384 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Jan 12 21:30:56 2017
New Revision: 244384

URL: https://gcc.gnu.org/viewcvs?rev=244384&root=gcc&view=rev
Log:
	* gimple-ssa-sprintf.c (try_substitute_return_value): Remove
	info.nowrite calls with no lhs that can't throw.  Return bool
	whether gsi_remove has been called or not.
	(pass_sprintf_length::handle_gimple_call): Return bool whether
	try_substitute_return_value called gsi_remove.  Formatting fix.
	(pass_sprintf_length::execute): Don't use gsi_remove if
	handle_gimple_call returned true.

	* gcc.dg/tree-ssa/builtin-snprintf-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-snprintf-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-sprintf.c
    trunk/gcc/testsuite/ChangeLog