Fix some more `non_lifetime_binders` stuff with higher-ranked trait bounds#108189

Merged

bors merged 3 commits intorust-lang:masterfrom

compiler-errors:non_lifetime_binders-bound-stuff

Feb 19, 2023

Commits on Feb 18, 2023

Don't ICE on bound types in sized conditions
compiler-errors
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Collapse placeholders to root universe in canonicalizer if not preserving universes
compiler-errors
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Pretty placeholders using their names
compiler-errors
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