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matthiaskrgr
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Jul 13, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
bors
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Jul 13, 2025
Rollup of 8 pull requests Successful merges: - #142885 (core: Add `BorrowedCursor::with_unfilled_buf`) - #143217 (Port #[link_ordinal] to the new attribute parsing infrastructure) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143724 (Tidy cleanup) - #143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets) - #143850 (Compiletest: Simplify {Html,Json}DocCk directive handling) - #143880 (tests: Test line debuginfo for linebreaked function parameters) Failed merges: - #143630 (Drop `./x suggest`) - #143733 (Change bootstrap's `tool.TOOL_NAME.features` to work on any subcommand) r? `@ghost` `@rustbot` modify labels: rollup
fmease
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Jul 14, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
bors
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Jul 14, 2025
Rollup of 16 pull requests Successful merges: - #142885 (core: Add `BorrowedCursor::with_unfilled_buf`) - #143217 (Port #[link_ordinal] to the new attribute parsing infrastructure) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143592 (UWP: link ntdll functions using raw-dylib) - #143681 (bootstrap/miri: avoid rebuilds for test builds) - #143710 (Updates to random number generation APIs) - #143724 (Tidy cleanup) - #143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets) - #143850 (Compiletest: Simplify {Html,Json}DocCk directive handling) - #143855 (Port `#[omit_gdb_pretty_printer_section]` to the new attribute parsing) - #143868 (warn on align on fields to avoid breaking changes) - #143875 (update issue number for `const_trait_impl`) - #143881 (Use zero for initialized Once state) - #143887 (Run bootstrap tests sooner in the `x test` pipeline) - #143893 (Don't require `eh_personality` lang item on targets that have a personality) Failed merges: - #143878 (Port `#[pointee]` to the new attribute parsing infrastructure) - #143891 (Port `#[coverage]` to the new attribute system) r? `@ghost` `@rustbot` modify labels: rollup
jhpratt
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Jul 14, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
bors
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Jul 14, 2025
Rollup of 17 pull requests Successful merges: - #142885 (core: Add `BorrowedCursor::with_unfilled_buf`) - #143217 (Port #[link_ordinal] to the new attribute parsing infrastructure) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143681 (bootstrap/miri: avoid rebuilds for test builds) - #143710 (Updates to random number generation APIs) - #143724 (Tidy cleanup) - #143738 (Move several float tests to floats/mod.rs) - #143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets) - #143850 (Compiletest: Simplify {Html,Json}DocCk directive handling) - #143855 (Port `#[omit_gdb_pretty_printer_section]` to the new attribute parsing) - #143868 (warn on align on fields to avoid breaking changes) - #143875 (update issue number for `const_trait_impl`) - #143881 (Use zero for initialized Once state) - #143887 (Run bootstrap tests sooner in the `x test` pipeline) - #143893 (Don't require `eh_personality` lang item on targets that have a personality) - #143901 (Region constraint nits) Failed merges: - #143878 (Port `#[pointee]` to the new attribute parsing infrastructure) - #143891 (Port `#[coverage]` to the new attribute system) r? `@ghost` `@rustbot` modify labels: rollup
jhpratt
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Jul 15, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
bors
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Jul 15, 2025
Rollup of 16 pull requests Successful merges: - #142301 (tests: Fix duplicated-path-in-error fail with musl) - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143630 (Drop `./x suggest`) - #143738 (Move several float tests to floats/mod.rs) - #143752 (Don't panic if WASI_SDK_PATH not set when detecting compiler) - #143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets) - #143837 (Adjust `run_make_support::symbols` helpers) - #143878 (Port `#[pointee]` to the new attribute parsing infrastructure) - #143907 (core: make `str::split_at_unchecked()` inline) - #143910 (Add experimental `backtrace-trace-only` std feature) - #143927 (Preserve constness in trait objects up to hir ty lowering) - #143935 (rustc_type_ir/walk: move docstring to `TypeWalker` itself) - #143938 (Update books) - #143941 (update `cfg_select!` documentation) - #143948 (Update mdbook to 0.4.52) Failed merges: - #143926 (Remove deprecated fields in bootstrap) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jul 15, 2025
Rollup of 16 pull requests Successful merges: - #142301 (tests: Fix duplicated-path-in-error fail with musl) - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143630 (Drop `./x suggest`) - #143738 (Move several float tests to floats/mod.rs) - #143752 (Don't panic if WASI_SDK_PATH not set when detecting compiler) - #143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets) - #143837 (Adjust `run_make_support::symbols` helpers) - #143878 (Port `#[pointee]` to the new attribute parsing infrastructure) - #143907 (core: make `str::split_at_unchecked()` inline) - #143910 (Add experimental `backtrace-trace-only` std feature) - #143927 (Preserve constness in trait objects up to hir ty lowering) - #143935 (rustc_type_ir/walk: move docstring to `TypeWalker` itself) - #143938 (Update books) - #143941 (update `cfg_select!` documentation) - #143948 (Update mdbook to 0.4.52) Failed merges: - #143926 (Remove deprecated fields in bootstrap) r? `@ghost` `@rustbot` modify labels: rollup
samueltardieu
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Jul 15, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
samueltardieu
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Jul 15, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
samueltardieu
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Jul 15, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
samueltardieu
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Jul 15, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
samueltardieu
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Jul 15, 2025
…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
bors
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
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Jul 15, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
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Jul 16, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
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Jul 16, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143891 (Port `#[coverage]` to the new attribute system) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) r? `@ghost` `@rustbot` modify labels: rollup
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…, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
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Jul 16, 2025
Rollup of 13 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143719 (Emit warning when there is no space between `-o` and arg) - #143738 (Move several float tests to floats/mod.rs) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143957 (tidy: check for invalid file names) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) - #143990 (Add LocalKey<Cell>::update) r? `@ghost` `@rustbot` modify labels: rollup
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Jul 16, 2025
Rollup of 12 pull requests Successful merges: - #142936 (rustdoc-json: Structured attributes) - #143355 (wrapping shift: remove first bitmask and table) - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - #143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - #143738 (Move several float tests to floats/mod.rs) - #143920 (Make more of codegen_llvm safe) - #143921 (Constify `Index` traits) - #143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - #143948 (Update mdbook to 0.4.52) - #143957 (tidy: check for invalid file names) - #143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) - #143990 (Add LocalKey<Cell>::update) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Jul 16, 2025
Rollup merge of #143355 - hkBst:cleanup-shift-double-bitmask, r=Mark-Simulacrum wrapping shift: remove first bitmask and table ```rust #[inline(always)] pub const fn wrapping_shl(self, rhs: u32) -> Self { // SAFETY: the masking by the bitsize of the type ensures that we do not shift // out of bounds unsafe { self.unchecked_shl(rhs & (Self::BITS - 1)) } } ``` already does the bitmask, so it seems unnecessary here. More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167
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Jul 17, 2025
Rollup of 12 pull requests Successful merges: - rust-lang/rust#142936 (rustdoc-json: Structured attributes) - rust-lang/rust#143355 (wrapping shift: remove first bitmask and table) - rust-lang/rust#143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`) - rust-lang/rust#143692 (miri: fix out-of-bounds error for ptrs with negative offsets) - rust-lang/rust#143738 (Move several float tests to floats/mod.rs) - rust-lang/rust#143920 (Make more of codegen_llvm safe) - rust-lang/rust#143921 (Constify `Index` traits) - rust-lang/rust#143939 (Add 0323pin as maintainer of NetBSD targets, fix link to pkgsrc-wip and explain.) - rust-lang/rust#143948 (Update mdbook to 0.4.52) - rust-lang/rust#143957 (tidy: check for invalid file names) - rust-lang/rust#143968 (Add tracing to `InterpCx::fn_abi_of_instance/fn_abi_of_fn_ptr`) - rust-lang/rust#143990 (Add LocalKey<Cell>::update) r? `@ghost` `@rustbot` modify labels: rollup
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already does the bitmask, so it seems unnecessary here.
More context: internals.rust-lang.org/t/wrapping-shift-operator-code-doing-bitmasking-twice/23167