ice: None in crates/hir-def/src/generics.rs #16281
Description
struct Foo<T>(T);
trait GoodBye {
type Forget;
}
impl<T> GoodBye for T {
type Forget = ();
}
trait NeedsWf<'a, 'b> {
type Assoc;
}
impl<'a, 'b#[cfg(lifetime)] NeedsWf<'a, 'a> for Map<<&'a MessageListeners<'b> as GoodBye>::Forget> {
type Assoc = &'a &'b ();
}rust-analyzer highlight < file.rs
thread 'main' panicked at crates/hir-def/src/generics.rs:605:33:
called `Option::unwrap()` on a `None` value
stack backtrace:
0: rust_begin_unwind
at /rustc/595bc6f00369475047538fdae1ff8cea692ac385/library/std/src/panicking.rs:645:5
1: core::panicking::panic_fmt
at /rustc/595bc6f00369475047538fdae1ff8cea692ac385/library/core/src/panicking.rs:72:14
2: core::panicking::panic
at /rustc/595bc6f00369475047538fdae1ff8cea692ac385/library/core/src/panicking.rs:144:5
3: <hir_def::GenericDefId as hir_def::child_by_source::ChildBySource>::child_by_source_to
4: <hir::semantics::source_to_def::SourceToDefCtx>::cache_for
5: <hir::semantics::source_to_def::SourceToDefCtx>::lifetime_param_to_def
6: <syntax::ast::generated::nodes::LifetimeParam as hir::semantics::ToDef>::to_def
7: <ide_db::defs::NameClass>::classify_lifetime
8: <ide_db::defs::IdentClass>::classify_lifetime
9: ide::syntax_highlighting::highlight
10: <ide::Analysis>::highlight_as_html
11: <rust_analyzer::cli::flags::Highlight>::run
12: rust_analyzer::main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
rust-analyzer 1.77.0-nightly (595bc6f 2024-01-05)