[Bug target/61593] Support '#pragma mark - foo' on non-Darwin targets (by simply ignoring it without warning)

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61593

--- Comment #8 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Sean from comment #7)
> Iain, no. Please see comment #2.

ah gotcha .. then it's a question of producing a general patch rather than a
darwin-specific one and posting it for review (with some suitable justification
as to its merit).