swift

359eeec7 - [region-isolation] Add a test showing that we do not infer nonisolated(unsafe) onto named closures.

[region-isolation] Add a test showing that we do not infer nonisolated(unsafe) onto named closures. The semantics we want is for nonisolated(unsafe) to be inferred onto anonymous closures. We already have that semantics since we do not look through move_value [var_decl] or begin_borrow [var_decl]. So even though the underlying partial_apply will be viewed as nonisolated(unsafe), we will not consider that when determining the nonisolated(unsafe) for the begin_borrow or move_value that defined the variable whose value is the partial_apply.