[Bug jit/114105] --disable-bootstrap based builds vs libcc1 and gcc/jit use of gcc/system.h poisoning policy

[sjames at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114105

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Sam James from comment #3)
> I have a patch which includes those extra hunks (in addition to the PR111632
> one), but didn't have a chance yet to look at iain's build failure on darwin.

(someone should feel free to do the easier bits though ofc, these things tend
to accumulate anyway)