[5.5] Make sure we tail call optimize a call in concurrency runtime's… #37456
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… switch_task_impl. Without this hack the call will leave a stack frame around (not tail call optimized) and blow the stack if we call switch_task often enough. Ideally, clang would emit this call as `musttail` but currently it does not. rdar://76652421
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This has been superseded by #37485 |
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… switch_task_impl.
Without this hack the call will leave a stack frame around (not tail
call optimized) and blow the stack if we call switch_task often enough.
Ideally, clang would emit this call as
musttailbut currently it doesnot.
rdar://76652421