internal: Upgrade rustc crates#20609
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The main changes are (there are some other small changes): - Using a specific type for trait IDs in the new solver, allowing us to simplify a lot of code. - Add `BoundConst` similar to `BoundTy` and `BoundRegion` (previously consts used `BoundVar` directly), due to a new trait requirement.
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I guess rebasing #20578 upon this wouldn't be a trouble 👍
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changelog fixup #20329 |
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The main changes are (there are some other small changes):
BoundConstsimilar toBoundTyandBoundRegion(previously consts usedBoundVardirectly), due to a new trait requirement.This should enable the sync rust-lang/rust#146086 - CC @lnicola.
I prefer to merge this before #20578, but if you think this will cause rebase pains for you @ShoyuVanilla - please tell.