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bors 144227dae9 Auto merge of #99232 - lcnr:no-bound-vars-check, r=jackh726 
`replace_bound_vars` fast path: check predicates, don't check consts

split out from #98900

`ty::Const` doesn't have precomputed type flags, so
computing `has_vars_bound_at_or_above` for constants
requires us to visit the const and its contained types
and constants. A noop fold should be pretty much equally as
fast so removing it prevents us from walking the constant twice
in case it contains bound vars.

r? `@jackh726`
2022-07-18 13:59:05 +00:00
..
benches mv compiler to compiler/ 2020-08-30 18:45:07 +03:00
src Auto merge of #99232 - lcnr:no-bound-vars-check, r=jackh726 2022-07-18 13:59:05 +00:00
Cargo.toml Update smallvec to 1.8.1. 2022-06-27 08:48:55 +10:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

For more information about how rustc works, see the rustc dev guide.