Fix space leaks in simplifier (#13426)

Authored by rwbarton on Mar 30 2017, 1:42 PM.



The Join points commit (8d5cf8bf) introduced a space leak
somewhere in the simplifier. The extra strictness added in this commit
fixes the leak. Unfortunately I don't really understand the details.

Test Plan


rwbarton created this revision.Mar 30 2017, 1:42 PM
bgamari accepted this revision.Mar 30 2017, 2:31 PM

Awesome work, @rwbarton!

This revision is now accepted and ready to land.Mar 30 2017, 2:31 PM
This revision was automatically updated to reflect the committed changes.