More GHC 9.0 backports
Thank you for your contribution to GHC!
Please take a few moments to verify that your commits fulfill the following:
-
are either individually buildable or squashed -
have commit messages which describe what they do (referring to Notes and tickets using #NNNNsyntax when appropriate) -
have added source comments describing your change. For larger changes you likely should add a Note and cross-reference it from the relevant places. -
add a testcase to the testsuite. -
replace this message with a description motivating your change
If you have any questions don't hesitate to open your merge request and inquire
in a comment. If your patch isn't quite done yet please do add prefix your MR
title with WIP:.
Edited by Ben Gamari