https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65120
--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Mon Mar 9 18:26:52 2015 New Revision: 221284 URL: https://gcc.gnu.org/viewcvs?rev=221284&root=gcc&view=rev Log: PR c/65120 * c-typeck.c (parser_build_binary_op): Don't warn for !!x == y or !b == y where b is _Bool. * parser.c (cp_parser_binary_expression): Don't warn for !!x == y or !b == y where b is bool. * c-c++-common/pr49706.c: Adjust tests for not warning about !!x == y or !b == y where b is boolean, and add some further tests. * c-c++-common/pr62199-2.c: Likewise. Modified: 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 trunk/gcc/testsuite/c-c++-common/pr62199-2.c