Emit hop_to_executor instructors for foreign async calls.
#38767
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Fix a miscompile where a foreign `async` call would fail to emit an appropriate `hop_to_executor` instruction to hop back to the current executor afterward, meaning that subsequent code would not execute on the correct actor. Fixes rdar://81468980.
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Fix a miscompile where a foreign
asynccall would fail to emit anappropriate
hop_to_executorinstruction to hop back to the currentexecutor afterward, meaning that subsequent code would not execute on
the correct actor.
Fixes rdar://81468980.