Open
Description
Summary
needs --edition=2021
Reproducer
// edition:2021
// check-pass
#![feature(try_blocks)]
fn main() {
let _: Result<i32, i32> = try {
let Some(x) = Some(0) else {
Err(1)?
};
x
};
}Version
No response
Logs and Backtrace
MARKER_ERROR_TRACE=1 MARKER_LOG=info RUST_BACKTRACE=1 LD_LIBRARY_PATH='/home/matthias/o/target/debug/deps:/home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/lib:/home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/lib:/home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib' RUSTC_WORKSPACE_WRAPPER=/home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/bin/marker_rustc_driver MARKER_LINT_CRATES=marker_lints:/home/matthias/o/target/marker/lints/libmarker_lints.so RUSTUP_TOOLCHAIN=nightly-2023-11-16 /home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/bin/marker_rustc_driver /home/matthias/vcs/github/rust_misc_stuff/tests/ui/let-else/issue-100103.rs --crate-type lib --edition=2021
warning: function `main` is never used
--> /home/matthias/vcs/github/rust_misc_stuff/tests/ui/let-else/issue-100103.rs:7:4
|
7 | fn main() {
| ^^^^
|
= note: `#[warn(dead_code)]` on by default
thread 'rustc' panicked at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/marker_rustc_driver-0.4.3/src/conversion/marker/common.rs:286:33:
`&MarkerConverterInner::lang_item_map` doesn't contain `TryTraitFromOutput`
stack backtrace:
0: rust_begin_unwind
at /rustc/6b771f6b5a6c8b03b6322a9c77ac77cb346148f0/library/std/src/panicking.rs:645:5
1: core::panicking::panic_fmt
at /rustc/6b771f6b5a6c8b03b6322a9c77ac77cb346148f0/library/core/src/panicking.rs:72:14
2: marker_rustc_driver::conversion::marker::common::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_qpath
3: marker_rustc_driver::conversion::marker::ast::expr::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_expr
4: marker_rustc_driver::conversion::marker::ast::expr::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_expr
5: marker_rustc_driver::conversion::marker::ast::expr::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_block_expr
6: marker_rustc_driver::conversion::marker::ast::expr::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_expr
7: marker_rustc_driver::conversion::marker::ast::stmts::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_stmt
8: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter
9: marker_rustc_driver::conversion::marker::ast::expr::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_block_expr
10: marker_rustc_driver::conversion::marker::ast::expr::<impl marker_rustc_driver::conversion::marker::MarkerConverterInner>::to_expr
11: marker_rustc_driver::conversion::marker::MarkerConverter::body
12: marker_utils::visitor::traverse_item
13: marker_utils::visitor::traverse_item
14: marker_adapter::Adapter::process_krate
15: marker_rustc_driver::lint_pass::process_crate
16: rustc_lint::late::check_crate::{closure#0}
17: rustc_lint::late::check_crate
18: rustc_interface::passes::analysis
[... omitted 1 frame ...]
19: rustc_interface::interface::run_compiler::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
error: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-marker/marker/issues/new?template=panic.yml
note: please attach the file at `/tmp/marker/rustc-ice-2023-12-17T23_41_18-1810956.txt` to your bug report
note: compiler flags: --crate-type lib
query stack during panic:
#0 [analysis] running analysis passes on this crate
end of query stack
note: marker_rustc_driver 0.4.3
note: Achievement Unlocked: [Free Ice Cream]
warning: 1 warning emitted