Erase ReError properly
#111573
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Erase ReError properly
#111573
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WaffleLapkin
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#107680 (Hide repr attribute from doc of types without guaranteed repr) - rust-lang#111488 (Use error term in projection if missing associated item in new solver) - rust-lang#111533 (Handle error body in generator layout) - rust-lang#111573 (Erase `ReError` properly) - rust-lang#111592 (Change Vec examples to not assert exact capacity except where it is guaranteed) - rust-lang#111610 (fix(diagnostic): wrap parens for ref impl trait param) - rust-lang#111642 ([rustdoc] Only keep impl blocks from bodies) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Fixes #111341
Since we check whether a type has free regions before erasing (to short circuit unnecesary folding), we need to consider
ReErroras a free region, or else we'll skip it when erasing a type that only mentionsReError.cc @nnethercote