Rename thir::ExprKind::Use to ValueExpr - #162187
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The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
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Some changes occurred in match lowering cc @Nadrieril Some changes occurred in cc @BoxyUwU Some changes occurred in match checking cc @Nadrieril Some changes occurred in cc @BoxyUwU |
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rustbot has assigned @JonathanBrouwer. Use Why was this reviewer chosen?The reviewer was selected based on:
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r? me r=me once CI is green |
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PR CI is green. @bors r=BoxyUwU |
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JonathanBrouwer
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Sep 2, 2026
Rename `thir::ExprKind::Use` to `ValueExpr` The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It is therefore also unrelated to `ast::ExprKind::Use` and `hir::ExprKind::Use`. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
JonathanBrouwer
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Sep 2, 2026
Rename `thir::ExprKind::Use` to `ValueExpr` The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It is therefore also unrelated to `ast::ExprKind::Use` and `hir::ExprKind::Use`. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
JonathanBrouwer
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Sep 2, 2026
Rename `thir::ExprKind::Use` to `ValueExpr` The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It is therefore also unrelated to `ast::ExprKind::Use` and `hir::ExprKind::Use`. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
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Sep 2, 2026
…uwer Rollup of 23 pull requests Successful merges: - #162164 (Revert "Implement Debug for C-like enums with a concatenated string") - #160564 (volatile: allow accesses to non-AM memory to trap) - #161579 (suggest calling a fn item used as the iterator of a `for` loop) - #162044 (coverage: Resolve spans to file-coordinates in a separate step) - #162120 (Introduce `PerOwnerLoweringState`) - #162151 (Test itanium mangling of `f16` and `f128`) - #162162 (Don't special-case `!` in stability checks anymore) - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 ) - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`) - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants) - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia) - #161847 (Preserve visibility in nested macro import suggestions) - #161972 (Improve tests for `#[track_caller]` in async) - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery) - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`) - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`) - #162152 (Revert "retrieve supported GCC targets from the sysroot") - #162153 (Prefer `LLVMGetVersion` for runtime info) - #162168 (fix ICE in project_goals/inherent) - #162171 (Explain LoongArch f16 NaN-boxing in inline asm) - #162173 (fix supposedly unreachable `bug!` being reachable) - #162191 (core: mark float `ClampBounds` methods as `#[inline]`) - #162199 (docs(time): clarify exact seconds for hour and minute)
GuillaumeGomez
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Sep 2, 2026
Rename `thir::ExprKind::Use` to `ValueExpr` The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It is therefore also unrelated to `ast::ExprKind::Use` and `hir::ExprKind::Use`. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
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Sep 3, 2026
Rollup of 23 pull requests Successful merges: - #157808 (sanitizers: Implement support for the sanitize ignorelist) - #160564 (volatile: allow accesses to non-AM memory to trap) - #161579 (suggest calling a fn item used as the iterator of a `for` loop) - #162044 (coverage: Resolve spans to file-coordinates in a separate step) - #162120 (Introduce `PerOwnerLoweringState`) - #162151 (Test itanium mangling of `f16` and `f128`) - #162162 (Don't special-case `!` in stability checks anymore) - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 ) - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`) - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants) - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia) - #161847 (Preserve visibility in nested macro import suggestions) - #161972 (Improve tests for `#[track_caller]` in async) - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery) - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`) - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`) - #162152 (Revert "retrieve supported GCC targets from the sysroot") - #162153 (Prefer `LLVMGetVersion` for runtime info) - #162168 (fix ICE in project_goals/inherent) - #162171 (Explain LoongArch f16 NaN-boxing in inline asm) - #162173 (fix supposedly unreachable `bug!` being reachable) - #162191 (core: mark float `ClampBounds` methods as `#[inline]`) - #162199 (docs(time): clarify exact seconds for hour and minute)
Zalathar
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Sep 3, 2026
Rename `thir::ExprKind::Use` to `ValueExpr` The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It is therefore also unrelated to `ast::ExprKind::Use` and `hir::ExprKind::Use`. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
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Rollup of 29 pull requests Successful merges: - #161694 (add `Complex` ABI run-make test) - #162014 (Move more `rustdoc-html` tests using `--test` into the right folder) - #162164 (Revert "Implement Debug for C-like enums with a concatenated string") - #160564 (volatile: allow accesses to non-AM memory to trap) - #161579 (suggest calling a fn item used as the iterator of a `for` loop) - #162044 (coverage: Resolve spans to file-coordinates in a separate step) - #162120 (Introduce `PerOwnerLoweringState`) - #162132 (std: improve safety documentation in UNIX stack overflow code) - #162151 (Test itanium mangling of `f16` and `f128`) - #162162 (Don't special-case `!` in stability checks anymore) - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 ) - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`) - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants) - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia) - #161847 (Preserve visibility in nested macro import suggestions) - #161951 (Windows: add fallback if `canonicalize` fails) - #161972 (Improve tests for `#[track_caller]` in async) - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery) - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`) - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`) - #162152 (Revert "retrieve supported GCC targets from the sysroot") - #162153 (Prefer `LLVMGetVersion` for runtime info) - #162168 (fix ICE in project_goals/inherent) - #162171 (Explain LoongArch f16 NaN-boxing in inline asm) - #162173 (fix supposedly unreachable `bug!` being reachable) - #162180 (remove outdated next-solver FIXMEs) - #162191 (core: mark float `ClampBounds` methods as `#[inline]`) - #162195 (docs(time): clarify exact seconds for week and day) - #162199 (docs(time): clarify exact seconds for hour and minute)
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Sep 3, 2026
…uwer Rollup of 25 pull requests Successful merges: - #161694 (add `Complex` ABI run-make test) - #162014 (Move more `rustdoc-html` tests using `--test` into the right folder) - #162164 (Revert "Implement Debug for C-like enums with a concatenated string") - #160564 (volatile: allow accesses to non-AM memory to trap) - #161579 (suggest calling a fn item used as the iterator of a `for` loop) - #162044 (coverage: Resolve spans to file-coordinates in a separate step) - #162120 (Introduce `PerOwnerLoweringState`) - #162132 (std: improve safety documentation in UNIX stack overflow code) - #162151 (Test itanium mangling of `f16` and `f128`) - #162162 (Don't special-case `!` in stability checks anymore) - #162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 ) - #162187 (Rename `thir::ExprKind::Use` to `ValueExpr`) - #158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants) - #159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia) - #161135 (Add `f16` and `f128` inline ASM support for PowerPC) - #161847 (Preserve visibility in nested macro import suggestions) - #161972 (Improve tests for `#[track_caller]` in async) - #162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery) - #162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`) - #162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`) - #162111 (Update mailmap for Will Crichton and Petr Hosek) - #162152 (Revert "retrieve supported GCC targets from the sysroot") - #162153 (Prefer `LLVMGetVersion` for runtime info) - #162168 (fix ICE in project_goals/inherent) - #162171 (Explain LoongArch f16 NaN-boxing in inline asm)
rust-bors Bot
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Sep 3, 2026
Rollup merge of #162187 - Zalathar:value-expr, r=BoxyUwU Rename `thir::ExprKind::Use` to `ValueExpr` The current name is very confusing, because this node kind has nothing to do with `use` imports or unstable `.use` expressions. It is therefore also unrelated to `ast::ExprKind::Use` and `hir::ExprKind::Use`. It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.
Collaborator
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Note This PR was benchmarked as part of triage of its containing rollup: triage URL. Finished benchmarking commit (e6ec71a): comparison URL. Overall result: no relevant changes - no action needed@rustbot label: -perf-regression Instruction countThis perf run didn't have relevant results for this metric. Max RSS (memory usage)This perf run didn't have relevant results for this metric. CyclesThis perf run didn't have relevant results for this metric. Binary sizeThis perf run didn't have relevant results for this metric. Bootstrap: missing data |
pull Bot
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Sep 4, 2026
…uwer Rollup of 25 pull requests Successful merges: - rust-lang/rust#161694 (add `Complex` ABI run-make test) - rust-lang/rust#162014 (Move more `rustdoc-html` tests using `--test` into the right folder) - rust-lang/rust#162164 (Revert "Implement Debug for C-like enums with a concatenated string") - rust-lang/rust#160564 (volatile: allow accesses to non-AM memory to trap) - rust-lang/rust#161579 (suggest calling a fn item used as the iterator of a `for` loop) - rust-lang/rust#162044 (coverage: Resolve spans to file-coordinates in a separate step) - rust-lang/rust#162120 (Introduce `PerOwnerLoweringState`) - rust-lang/rust#162132 (std: improve safety documentation in UNIX stack overflow code) - rust-lang/rust#162151 (Test itanium mangling of `f16` and `f128`) - rust-lang/rust#162162 (Don't special-case `!` in stability checks anymore) - rust-lang/rust#162181 (Remove wrong UnusedBraces lint for iterator loop in edition 2024 ) - rust-lang/rust#162187 (Rename `thir::ExprKind::Use` to `ValueExpr`) - rust-lang/rust#158401 (mgca: Don't ICE when evaluating ValTrees that contain error constants) - rust-lang/rust#159873 (fuchsia: Add safestack as a supported sanitizer for x86_64 fuchsia) - rust-lang/rust#161135 (Add `f16` and `f128` inline ASM support for PowerPC) - rust-lang/rust#161847 (Preserve visibility in nested macro import suggestions) - rust-lang/rust#161972 (Improve tests for `#[track_caller]` in async) - rust-lang/rust#162008 (Render the `box` pattern removal diagnostic more actionable & remove `box` expression recovery) - rust-lang/rust#162065 (std: don't reference `libc::O_NOFOLLOW` on VxWorks in `set_perm_nofollow`) - rust-lang/rust#162076 (docs(num): clarify conditions under which error occurs in `impl TryFrom<int> for int`) - rust-lang/rust#162111 (Update mailmap for Will Crichton and Petr Hosek) - rust-lang/rust#162152 (Revert "retrieve supported GCC targets from the sysroot") - rust-lang/rust#162153 (Prefer `LLVMGetVersion` for runtime info) - rust-lang/rust#162168 (fix ICE in project_goals/inherent) - rust-lang/rust#162171 (Explain LoongArch f16 NaN-boxing in inline asm)
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The current name is very confusing, because this node kind has nothing to do with
useimports or unstable.useexpressions. It is therefore also unrelated toast::ExprKind::Useandhir::ExprKind::Use.It actually represents an expression that must be lowered as a value, even if it would otherwise be a place-expression in place context.