Do not ICE with incorrect empty suggestion #127988
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compiler/rustc_hir_analysis/src/errors/wrong_number_of_generic_args.rs
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Was #109082 closed due to perf regressions? |
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@fmease yes. Couldn't figure out how to mitigate them. |
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When we have two types with the same name, one without type parameters and the other with type parameters and a derive macro, we were before incorrectly suggesting to remove type parameters from the former, which ICEd because we were suggesting to remove nothing. We now gate against this. The output is still not perfect. E0107 should explicitly detect this case and provide better context, but for now let's avoid the ICE.
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I've pushed an extra commit that makes it clear that this is a HACK. @bors r+ rollup (diagnostic code path) |
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Do not ICE with incorrect empty suggestion When we have two types with the same name, one without type parameters and the other with type parameters and a derive macro, we were before incorrectly suggesting to remove type parameters from the former, which ICEd because we were suggesting to remove nothing. We now gate against this. The output is still not perfect. E0107 should explicitly detect this case and provide better context, but for now let's avoid the ICE. Fix rust-lang#108748.
This was referenced Sep 18, 2024
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…kingjubilee Rollup of 9 pull requests Successful merges: - rust-lang#97524 (Add `Thread::{into_raw, from_raw}`) - rust-lang#127988 (Do not ICE with incorrect empty suggestion) - rust-lang#129422 (Gate `repr(Rust)` correctly on non-ADT items) - rust-lang#129934 (Win: Open dir for sync access in remove_dir_all) - rust-lang#130450 (Reduce confusion about `make_indirect_byval` by renaming it) - rust-lang#130476 (Implement ACP 429: add `Lazy{Cell,Lock}::get[_mut]` and `force_mut`) - rust-lang#130487 (Update the minimum external LLVM to 18) - rust-lang#130513 (Clarify docs for std::fs::File::write) - rust-lang#130522 ([Clippy] Swap `manual_retain` to use diagnostic items instead of paths) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#127988 - estebank:dupe-derive-params, r=fmease Do not ICE with incorrect empty suggestion When we have two types with the same name, one without type parameters and the other with type parameters and a derive macro, we were before incorrectly suggesting to remove type parameters from the former, which ICEd because we were suggesting to remove nothing. We now gate against this. The output is still not perfect. E0107 should explicitly detect this case and provide better context, but for now let's avoid the ICE. Fix rust-lang#108748.
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When we have two types with the same name, one without type parameters and the other with type parameters and a derive macro, we were before incorrectly suggesting to remove type parameters from the former, which ICEd because we were suggesting to remove nothing. We now gate against this.
The output is still not perfect. E0107 should explicitly detect this case and provide better context, but for now let's avoid the ICE.
Fix #108748.