Fix memory leaks in ThreadBarriers.swift#12212

Merged

CodaFi merged 5 commits intoswiftlang:masterfrom

chrisamanse:fix-pthread-leaks

Jan 29, 2020

Commits on Dec 4, 2019

Fix memory leaks in ThreadBarriers.swift
Chris Amanse
committed
Fatal error on pthread cond/mutex destroy failure
Chris Amanse
committed

Commits on Dec 9, 2019

Rename pthread to thread
Chris Amanse
committed

Commits on Dec 10, 2019

Fix pthread init function calls
Chris Amanse
committed

Commits on Dec 11, 2019

Fix guard statement
Chris Amanse
committed