[Bug c++/79476] C++ frontend ignores diagnostic pragma in macro

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79476

--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #2)
> I'm pretty sure this is a duplicate of bug 69558, although according to my
> bisection the commit that caused it is r214221 (gcc 5.0.0):

Actually, looking more closely, that's not the right commit. (It's still a dupe
though.)