KevinBuhr authored Jul 13, 2019 and Ben Gamari committed Jul 08, 2020

This wasn't originally slated for 8.10 but the documentation part of
this patch snuck into the ghc-8.10 branch via a backport. Instead of
backing out the documentation and causing further user confusion I've
opted just to backport this functional change as well.

(cherry picked from commit 859ebdd4)