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librustc: Encode language items into a special lookup table. 9% improvement in hello world compile time. - #4368
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…vement in hello world compile time.
pcwalton
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Jan 7, 2013
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nikomatsakis
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Jan 7, 2013
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r+ If we refactored the AST decoding a bit---as I think should now be possible thanks to @erickt's work on the auto-serialization stuff---we could convert this hand-written EBML code into |
RalfJung added a commit
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Jun 1, 2025
…-a-lot-instead Fix tokio/file-io.rs test relying on `read`/`write` not being short
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Aug 21, 2026
4396: Improve panic message for ast_from_text r=jonas-schievink a=edwin0cheng Related: rust-lang#4368 Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
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Aug 21, 2026
5004: Fix panic in split/merge import assists r=matklad a=lnicola Fixesrust-lang#4368rust-lang#4905 Not sure if this is the best solution here. Maybe the `make` functions should be fallible? We generally seem to be playing whack-a-mole with panics in assists, although most of them are `unwrap`s in the assist code. Co-authored-by: Laurențiu Nicola <lnicola@dend.ro>
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