backport invalidation fixes to 1.8#46660

Closed

ranocha wants to merge 2 commits intoJuliaLang:release-1.8from

ranocha:hr/backport_invalidation_fix

Commits on Sep 7, 2022

Improve type stability of `platforms_match(::AbstractPlatform, ::AbstractPlatform)` (#46547)
ranocha
committed
Improve inferrability of `open(f, cmd, ...)` (#46551)
ranocha
committed