[Bug middle-end/111632] gcc fails to bootstrap when using libc++

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111632

Iain Sandoe <iains at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |iains at gcc dot gnu.org

--- Comment #13 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Francois-Xavier Coudert from comment #11)
> Starting with Xcode 15.3 and the SDK for macOS 14.4, this is breaking
> bootstrap on x86_64-apple-darwin23

confirmed the bootstrap fail and that the proposed patch fixes it (on
x86_64-darwin23).  Now testing more widely on other Darwin versions.

For Darwin, this is a regression (caused by changes in the system SDK headers)
- what is the situation with freeBSD?