2e7aa2ee34
Before the addition of the process "Shadow Listener" you could only have one Listener observing the Process Broadcaster. That was necessary because fetching the Process event is what switches the public process state, and for the execution control logic to be manageable you needed to keep other listeners from causing this to happen before the main process control engine was ready. Ismail added the notion of a "ShadowListener" - which allowed you ONE extra process listener. This patch inverts that setup by designating the first listener as primary - and giving it priority in fetching events. Differential Revision: https://reviews.llvm.org/D157556
The LLVM Compiler Infrastructure
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