Fix const core::panic!(non_literal_str). #78069
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Thanks for the PR! Cc @rust-lang/wg-const-eval |
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Could you please add a test? The right file would be |
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I cherry-picked your commit into this PR. I'll rebase that once your PR gets merged. Or alternatively: Approving and merging this PR as it is now will merge both changes at once. |
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#78070 is merged now. Rebased. |
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Thanks for taking care of this. :-) |
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📌 Commit 7130127 has been approved by |
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…-panic-str, r=RalfJung
Fix const core::panic!(non_literal_str).
Invocations of `core::panic!(x)` where `x` is not a string literal expand to `panic!("{}", x)`, which is not understood by the const panic logic right now. This adds `panic_str` as a lang item, and modifies the const eval implementation to hook into this item as well.
This fixes the issue mentioned here: rust-lang#51999 (comment)
r? @RalfJung
@rustbot modify labels: +A-const-eval
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…as-schievink Rollup of 12 pull requests Successful merges: - rust-lang#75115 (`#[deny(unsafe_op_in_unsafe_fn)]` in sys/cloudabi) - rust-lang#76614 (change the order of type arguments on ControlFlow) - rust-lang#77610 (revise Hermit's mutex interface to support the behaviour of StaticMutex) - rust-lang#77830 (Simplify query proc-macros) - rust-lang#77930 (Do not ICE with TraitPredicates containing [type error]) - rust-lang#78069 (Fix const core::panic!(non_literal_str).) - rust-lang#78072 (Cleanup constant matching in exhaustiveness checking) - rust-lang#78119 (Throw core::panic!("message") as &str instead of String.) - rust-lang#78191 (Introduce a temporary for discriminant value in MatchBranchSimplification) - rust-lang#78272 (const_evaluatable_checked: deal with unused nodes + div) - rust-lang#78318 (TyCtxt: generate single impl block with `slice_interners` macro) - rust-lang#78327 (resolve: Relax macro resolution consistency check to account for any errors) Failed merges: r? `@ghost`
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Invocations of
core::panic!(x)wherexis not a string literal expand topanic!("{}", x), which is not understood by the const panic logic right now. This addspanic_stras a lang item, and modifies the const eval implementation to hook into this item as well.This fixes the issue mentioned here: #51999 (comment)
r? @RalfJung
@rustbot modify labels: +A-const-eval