[Concurrency] Allow isolated default arguments to be used from across isolation boundaries. #69391
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hborla
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ktoso
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Oct 25, 2023
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This change implements most of the revision for the isolated default values proposal, which enables isolated default arguments from being used across isolation boundaries. For now, this is done by emitting an actor hop around the evaluation of each isolated default argument. However, as specified by the argument evaluation section of the proposal, we should change argument evaluation order if any default arguments are isolated to the following order:
This intermediate implementation state is to allow the semantics of the proposal to be tested out in a toolchain. This change also still needs some SILGen tests.