Don't require eh_personality lang item on targets that have a personality
#143893
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Some targets already have personality
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This is a bit of both compiler and libs but I think it's more compiler (as the libs changes trivially follow from the compiler ones) so... r? compiler |
compiler-errors
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Jul 13, 2025
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r? compiler-errors @bors r+ rollup |
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fmease
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Jul 14, 2025
…l, r=compiler-errors Don't require `eh_personality` lang item on targets that have a personality MSVC and wasm have personalities of their own so Rust's personality function is never called. The removed library comment has some more details.
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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
…l, r=compiler-errors Don't require `eh_personality` lang item on targets that have a personality MSVC and wasm have personalities of their own so Rust's personality function is never called. The removed library comment has some more details.
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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
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Could this have caused the rollup failure (#143916) on ------------------------------------------
error: `#[panic_handler]` function required, but not found
error: aborting due to 1 previous error
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failures:
[ui] tests\ui\extern-flag\empty-extern-arg.rs
[ui] tests\ui\extern-flag\no-force-extern.rs
[ui] tests\ui\no_std\no-std-unwind-binary.rs
[ui] tests\ui\panic-handler\weak-lang-item.rs
[ui] tests\ui\proc-macro\issue-59191-replace-root-with-fn.rs@bors r- |
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I wasn't 100% certain either, but this is the only one that seems even remotely related to the error output changing. |
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MSVC and wasm have personalities of their own so Rust's personality function is never called. The removed library comment has some more details.