[Bug preprocessor/60875] `_Pragma("message \"foo\")"` doesn't work in expression contexts.

[desrt at desrt dot ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60875

Ryan Lortie <desrt at desrt dot ca> changed:

           What    |Removed                     |Added
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                 CC|                            |desrt at desrt dot ca

--- Comment #3 from Ryan Lortie <desrt at desrt dot ca> ---
We want to do similar things in GLib in order to warn in the middle of
arbitrary expressions or statements expanded from macros (essentially: support
for deprecated macros).