Closed
Description
openedon Aug 3, 2023
cargo bisect-rustc says this but I'm not sure I believe it:
Regression in rust-lang-ci@cda7b6d
searched nightlies: from nightly-2023-07-01 to nightly-2023-08-02
regressed nightly: nightly-2023-08-01
searched commit range: a17c796...db7ff98
regressed commit: dfc9d3f
bisected with cargo-bisect-rustc v0.6.6
Host triple: x86_64-unknown-linux-gnu
Reproduce with:
cargo bisect-rustc --start 2023-07-01 --end 2023-08-02 --script script --regress ice The script is just
RUSTFLAGS=-Zvalidate-mir cargo install cargo-deny --force
rustc-ice-2023-08-03T21:06:49.028857617Z-2267460.txt
error: internal compiler error: broken MIR in DropGlue(DefId(2:2152 ~ core[d518]::ptr::drop_in_place), Some(std::backtrace::Inner)) (after pass AbortUnwindingCalls) at bb2[0]:
Field projection `PlaceRef { local: _1, projection: [Deref, Downcast(Some("Captured"), 2)] }.0` specified type `std::sync::LazyLock<std::backtrace::Capture, [closure@std::backtrace::lazy_resolve::{closure#0}]>`, but actual type is `std::sync::LazyLock<std::backtrace::Capture, std::backtrace::LazyResolve>`
--> /home/ben/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:497:1
|
497 | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: delayed at compiler/rustc_const_eval/src/transform/validate.rs:76:25
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