ScalarInt: size mismatches are a bug, do not delay the panic #126159
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Some changes occurred in src/tools/clippy cc @rust-lang/clippy Some changes occurred in compiler/rustc_codegen_gcc Some changes occurred in match checking cc @Nadrieril Some changes occurred to the CTFE / Miri engine cc @rust-lang/miri Some changes occurred to the CTFE / Miri engine cc @rust-lang/miri Some changes occurred in compiler/rustc_codegen_cranelift cc @bjorn3 Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt Some changes occurred in cc @BoxyUwU Some changes occurred in exhaustiveness checking cc @Nadrieril The Miri subtree was changed cc @rust-lang/miri |
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That looks unrelated to my PR. |
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oli-obk
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Jun 10, 2024
| @@ -2385,11 +2385,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { | |||
| min_len: u64, | |||
| ) -> (Option<Ty<'tcx>>, Ty<'tcx>) { | |||
| let len = match len.eval(self.tcx, self.param_env, span) { | |||
| // FIXME(BoxyUwU): Assert the `Ty` is a `usize`? | |||
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This assert hasn't been added
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to_target_usize is implicitly asserting that this is a scalar of the right size.
I don't see why this should re-do the work done by typeck and ensure that array sizes are usize beyond this basic sanity check.
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@bors r+ |
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…r=oli-obk ScalarInt: size mismatches are a bug, do not delay the panic Cc [Zulip](https://rust-lang.zulipchat.com/#narrow/stream/146212-t-compiler.2Fconst-eval/topic/Why.20are.20ScalarInt.20to.20iN.2FuN.20methods.20fallible.3F) r? `@oli-obk`
bors
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…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#126036 (Migrate `run-make/short-ice` to `rmake`) - rust-lang#126063 (Remove some unused crate dependencies.) - rust-lang#126115 (Fix ICE due to `unwrap` in `probe_for_name_many`) - rust-lang#126159 (ScalarInt: size mismatches are a bug, do not delay the panic) - rust-lang#126184 (interpret: do not ICE on padded non-pow2 SIMD vectors) - rust-lang#126191 (Fix `NonZero` doctest inconsistencies) - rust-lang#126211 (migrate tests/run-make/llvm-outputs to use rmake.rs) - rust-lang#126212 (fix: build on haiku) - rust-lang#126215 (Add explanatory note to async block type mismatch error) - rust-lang#126223 (run-make: add `run_in_tmpdir` self-test) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#126063 (Remove some unused crate dependencies.) - rust-lang#126115 (Fix ICE due to `unwrap` in `probe_for_name_many`) - rust-lang#126159 (ScalarInt: size mismatches are a bug, do not delay the panic) - rust-lang#126184 (interpret: do not ICE on padded non-pow2 SIMD vectors) - rust-lang#126191 (Fix `NonZero` doctest inconsistencies) - rust-lang#126211 (migrate tests/run-make/llvm-outputs to use rmake.rs) - rust-lang#126212 (fix: build on haiku) - rust-lang#126215 (Add explanatory note to async block type mismatch error) - rust-lang#126223 (run-make: add `run_in_tmpdir` self-test) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Jun 10, 2024
Rollup merge of rust-lang#126159 - RalfJung:scalarint-size-mismatch, r=oli-obk ScalarInt: size mismatches are a bug, do not delay the panic Cc [Zulip](https://rust-lang.zulipchat.com/#narrow/stream/146212-t-compiler.2Fconst-eval/topic/Why.20are.20ScalarInt.20to.20iN.2FuN.20methods.20fallible.3F) r? ``@oli-obk``
flip1995
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…r=oli-obk ScalarInt: size mismatches are a bug, do not delay the panic Cc [Zulip](https://rust-lang.zulipchat.com/#narrow/stream/146212-t-compiler.2Fconst-eval/topic/Why.20are.20ScalarInt.20to.20iN.2FuN.20methods.20fallible.3F) r? ``@oli-obk``
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Cc Zulip
r? @oli-obk