[PATCH] D25784: [Support] ThreadPool: Don't spawn any threads when ThreadCount = 1

[Vedant Kumar via llvm-commits]

vsk added a comment.

In https://reviews.llvm.org/D25784#574827, @mehdi_amini wrote:

> If spawning a thread is not relatively expensive, why would you bother having a separate code path?


I got a report about thread-related flakiness in llvm-cov (PR30735), and thought that avoiding thread creation could mitigate it.


https://reviews.llvm.org/D25784