implied bounds: do not ICE on unconstrained region vars #115559
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this needs a new issue for how we break this invariant and a FIXME comment that refers to it. r? aliemjay |
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This is being discussed on zulip and I don't think it is worth it to hold back this PR @bors r+ rollup=always |
Dylan-DPC
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… r=aliemjay implied bounds: do not ICE on unconstrained region vars fixes rust-lang#112832 see tests/ui/implied-bounds/implied-bounds-unconstrained-2.rs for a minimal example showing why this is necessary. r? types cc `@compiler-errors` `@aliemjay` https://rust-lang.zulipchat.com/#narrow/stream/144729-t-types/topic/assoc.20type.20bound.20in.20super.20trait
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…iaskrgr Rollup of 3 pull requests Successful merges: - rust-lang#114794 (clarify safety documentation of ptr::swap and ptr::copy) - rust-lang#115397 (Add support to return value in StableMIR interface and not crash due to compilation error) - rust-lang#115559 (implied bounds: do not ICE on unconstrained region vars) Failed merges: - rust-lang#115532 (Implement SMIR generic parameter instantiation) r? `@ghost` `@rustbot` modify labels: rollup
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Sep 9, 2023
…k-Simulacrum [beta] backport This PR backports: - rust-lang#115559: implied bounds: do not ICE on unconstrained region vars - rust-lang#115446: fix version for abi_thiscall to 1.73.0, which was forgotten to change when stabilized and (later) moved to beta - rust-lang#115276: rustdoc: correctly deal with self ty params when eliding default object lifetimes r? `@Mark-Simulacrum`
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Sep 12, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
bors
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Sep 12, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
bors
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Sep 13, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
bors
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Sep 13, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
bors
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Sep 13, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
bors
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Sep 13, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
bors
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Sep 13, 2023
…Simulacrum [stable] 1.72.1 release This backports: * Remove assert that checks type equality rust-lang#115215 * implied bounds: do not ICE on unconstrained region vars rust-lang#115559 * rustdoc: correctly deal with self ty params when eliding default object lifetimes rust-lang#115276 * Stop emitting non-power-of-two vectors in (non-portable-SIMD) codegen rust-lang#115236 * Normalize before checking if local is freeze in deduced_param_attrs rust-lang#114948 Some cherry-picks required merge conflict resolution, we'll see if I got it right based on CI (rustdoc fix and LLVM codegen test). r? `@Mark-Simulacrum`
mmastrac
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Sep 20, 2023
> 1.72.1 resolves a few regressions introduced in 1.72.0: > - [Partially revert codegen change, improving codegen](rust-lang/rust#115236) > - [rustdoc: Fix self ty params in objects with lifetimes](rust-lang/rust#115276) > - [Fix regression in compile times](rust-lang/rust#114948) > - Resolve some ICEs in the compiler: > - [#115215](rust-lang/rust#115215) > - [#115559](rust-lang/rust#115559)
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fixes #112832
see tests/ui/implied-bounds/implied-bounds-unconstrained-2.rs for a minimal example showing why this is necessary.
r? types
cc @compiler-errors @aliemjay https://rust-lang.zulipchat.com/#narrow/stream/144729-t-types/topic/assoc.20type.20bound.20in.20super.20trait