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Insert type vars and normalize for the type of a used `static`
They have their own special path, so they slipped through.
| -rw-r--r-- | crates/hir-ty/src/infer/path.rs | 1 | ||||
| -rw-r--r-- | crates/hir-ty/src/tests/simple.rs | 43 |
2 files changed, 44 insertions, 0 deletions
diff --git a/crates/hir-ty/src/infer/path.rs b/crates/hir-ty/src/infer/path.rs index b11650bbcd..ef1a610a32 100644 --- a/crates/hir-ty/src/infer/path.rs +++ b/crates/hir-ty/src/infer/path.rs @@ -93,6 +93,7 @@ impl<'db> InferenceContext<'_, 'db> { if let GenericDefId::StaticId(_) = generic_def { // `Static` is the kind of item that can never be generic currently. We can just skip the binders to get its type. let ty = self.db.value_ty(value_def)?.skip_binder(); + let ty = self.process_remote_user_written_ty(ty); return Some(ValuePathResolution::NonGeneric(ty)); }; diff --git a/crates/hir-ty/src/tests/simple.rs b/crates/hir-ty/src/tests/simple.rs index 28759bcbae..d2a4149bc6 100644 --- a/crates/hir-ty/src/tests/simple.rs +++ b/crates/hir-ty/src/tests/simple.rs @@ -3997,3 +3997,46 @@ extern "C" fn foo() -> ! { "#, ); } + +#[test] +fn regression_21478() { + check_infer( + r#" +//- minicore: unsize, coerce_unsized +struct LazyLock<T>(T); + +impl<T> LazyLock<T> { + const fn new() -> Self { + loop {} + } + + fn force(this: &Self) -> &T { + loop {} + } +} + +static VALUES_LAZY_LOCK: LazyLock<[u32; { 0 }]> = LazyLock::new(); + +fn foo() { + let _ = LazyLock::force(&VALUES_LAZY_LOCK); +} + "#, + expect![[r#" + 73..96 '{ ... }': LazyLock<T> + 83..90 'loop {}': ! + 88..90 '{}': () + 111..115 'this': &'? LazyLock<T> + 130..153 '{ ... }': &'? T + 140..147 'loop {}': ! + 145..147 '{}': () + 207..220 'LazyLock::new': fn new<[u32; _]>() -> LazyLock<[u32; _]> + 207..222 'LazyLock::new()': LazyLock<[u32; _]> + 234..285 '{ ...CK); }': () + 244..245 '_': &'? [u32; _] + 248..263 'LazyLock::force': fn force<[u32; _]>(&'? LazyLock<[u32; _]>) -> &'? [u32; _] + 248..282 'LazyLo..._LOCK)': &'? [u32; _] + 264..281 '&VALUE...Y_LOCK': &'? LazyLock<[u32; _]> + 265..281 'VALUES...Y_LOCK': LazyLock<[u32; _]> + "#]], + ); +} |