Matthew Bauer f4d7208e23 Update boehmgc-coroutine-sp-fallback.diff for darwin ...

The darwin_stop_world implementation is slightly different. sp goes to
altstack_lo instead of lo in this case. Assuming that is an
implementation detail.

But the fix is the same, when we detect alstack_lo outside of the
expected stack range, we reset it to hi - stack_limit.

Here stack_limit is calculated with pthread_get_stacksize_np since
that is the BSD equivalent to pthread_attr_getstacksize.

2022-09-01 11:48:50 -05:00

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