support panic=abort in Miri #76871
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support panic=abort in Miri #76871
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r? @dtolnay (rust_highfive has picked a reviewer for you, use r? to override) |
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support panic=abort This adds support for abort-on-panic (#1058). To achieve this, we insert `cargo-miri` as `RUSTC` when building the standard library, and patch the rustc flags in a way similar to what bootstrap does. However, this is currently not supported on Windows as the Windows code uses inline assembly to cause an abort (?!?). I'll submit a rustc PR with some `cffg(miri)` to make that work. (EDIT: that would be rust-lang/rust#76871) Cc `@Aaron1011` r? `@oli-obk`
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@bors r+ rollup |
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support panic=abort in Miri This is needed for rust-lang/miri#1058 on Windows: we cannot run the inline-assembly versions of `abort`, so fall back to the intrinsic (which Miri supports).
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support panic=abort in Miri This is needed for rust-lang/miri#1058 on Windows: we cannot run the inline-assembly versions of `abort`, so fall back to the intrinsic (which Miri supports).
This was referenced Sep 19, 2020
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support panic=abort in Miri This is needed for rust-lang/miri#1058 on Windows: we cannot run the inline-assembly versions of `abort`, so fall back to the intrinsic (which Miri supports).
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Rollup of 15 pull requests Successful merges: - rust-lang#76722 (Test and fix Send and Sync traits of BTreeMap artefacts) - rust-lang#76766 (Extract some intrinsics out of rustc_codegen_llvm) - rust-lang#76800 (Don't generate bootstrap usage unless it's needed) - rust-lang#76809 (simplfy condition in ItemLowerer::with_trait_impl_ref()) - rust-lang#76815 (Fix wording in mir doc) - rust-lang#76818 (Don't compile regex at every function call.) - rust-lang#76821 (Remove redundant nightly features) - rust-lang#76823 (black_box: silence unused_mut warning when building with cfg(miri)) - rust-lang#76825 (use `array_windows` instead of `windows` in the compiler) - rust-lang#76827 (fix array_windows docs) - rust-lang#76828 (use strip_prefix over starts_with and manual slicing based on pattern length (clippy::manual_strip)) - rust-lang#76840 (Move to intra doc links in core/src/future) - rust-lang#76845 (Use intra docs links in core::{ascii, option, str, pattern, hash::map}) - rust-lang#76853 (Use intra-doc links in library/core/src/task/wake.rs) - rust-lang#76871 (support panic=abort in Miri) Failed merges: r? `@ghost`
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This is needed for rust-lang/miri#1058 on Windows: we cannot run the inline-assembly versions of
abort, so fall back to the intrinsic (which Miri supports).