Scripted stop hooks#1906

Merged

jimingham merged 2 commits intoswiftlang:apple/stable/20200714from

jimingham:scripted-stop-hooks

Oct 6, 2020

Commits on Oct 5, 2020

Revert "Revert "Add the ability to write target stop-hooks using the ScriptInterpreter.""
jimingham
committed
Fix raciness in the StopHook check for "has the target run".
jimingham
committed