https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121260
Mikael Pettersson <mikpelinux at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mikpelinux at gmail dot com --- Comment #2 from Mikael Pettersson <mikpelinux at gmail dot com> --- Created attachment 61981 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61981&action=edit correct nesting of namespaces and #if CHECKING_P blocks There are more source files affected. The attached patch works for me.