https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60304
--- Comment #29 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:f049cda373d29ea1bce4065b24cbb392cdc5b172 commit r11-2985-gf049cda373d29ea1bce4065b24cbb392cdc5b172 Author: Jonathan Wakely <jwak...@redhat.com> Date: Wed Sep 2 18:51:28 2020 +0100 c++: Stop defining true, false and bool as macros in <stdbool.h> Since r216679 these macros have only been defined in C++98 mode, rather than all modes. That is permitted as a GNU extension because that header doesn't exist in the C++ standard until C++11, so we can make it do whatever we want for C++98. But as discussed in the PR c++/60304 comments, these macros shouldn't ever be defined for C++. This patch removes the macro definitions for C++98 too. The new test already passed for C++98 (and the conversion is ill-formed in C++11 and later) so this new test is arguably unnecessary. gcc/ChangeLog: PR c++/60304 * ginclude/stdbool.h (bool, false, true): Never define for C++. gcc/testsuite/ChangeLog: PR c++/60304 * g++.dg/warn/Wconversion-null-5.C: New test.
