https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68052
Olivier Blin <gcc at blino dot org> changed:
What |Removed |Added
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Status|RESOLVED |UNCONFIRMED
Resolution|DUPLICATE |---
--- Comment #2 from Olivier Blin <gcc at blino dot org> ---
No, the difference that I observe is that, in this specific case involving a
macro in system header, there is a warning in C, and none in C++.
This has been discussed with Martin Sebor on the gcc-help mailing list.