r221299 - in /trunk/gcc: c-family/ChangeLog c-f...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Mar 10 06:38:57 2015
New Revision: 221299

URL: https://gcc.gnu.org/viewcvs?rev=221299&root=gcc&view=rev
Log:
	PR c/65120
	* c-common.c (warn_logical_not_parentheses): Don't warn for
	!x == 0 or !x != 0.

	* c-typeck.c (parser_build_binary_op): Check for tcc_comparison
	before preparing arguments to warn_logical_not_parentheses.

	* parser.c (cp_parser_binary_expression): Check for tcc_comparison
	before preparing arguments to warn_logical_not_parentheses.
	Use maybe_constant_value on rhs.

	* c-c++-common/pr49706.c (fn2): Don't expect warning if enumerator
	on rhs is 0.
	(fn4): New test.
	* c-c++-common/pr65120.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/pr65120.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-typeck.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/pr49706.c