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-rw-r--r--crates/hir-ty/src/method_resolution.rs2
-rw-r--r--crates/hir-ty/src/tests/regression.rs16
2 files changed, 17 insertions, 1 deletions
diff --git a/crates/hir-ty/src/method_resolution.rs b/crates/hir-ty/src/method_resolution.rs
index b1178ba0d2..20bed7bf3c 100644
--- a/crates/hir-ty/src/method_resolution.rs
+++ b/crates/hir-ty/src/method_resolution.rs
@@ -541,7 +541,7 @@ pub struct ReceiverAdjustments {
impl ReceiverAdjustments {
pub(crate) fn apply(&self, table: &mut InferenceTable<'_>, ty: Ty) -> (Ty, Vec<Adjustment>) {
- let mut ty = ty;
+ let mut ty = table.resolve_ty_shallow(&ty);
let mut adjust = Vec::new();
for _ in 0..self.autoderefs {
match autoderef::autoderef_step(table, ty.clone()) {
diff --git a/crates/hir-ty/src/tests/regression.rs b/crates/hir-ty/src/tests/regression.rs
index a155adcec6..4e46397459 100644
--- a/crates/hir-ty/src/tests/regression.rs
+++ b/crates/hir-ty/src/tests/regression.rs
@@ -1707,3 +1707,19 @@ impl<T, const N: usize> Trait for [T; N] {
"#,
);
}
+
+#[test]
+fn unsize_array_with_inference_variable() {
+ check_types(
+ r#"
+//- minicore: try, slice
+use core::ops::ControlFlow;
+fn foo() -> ControlFlow<(), [usize; 1]> { loop {} }
+fn bar() -> ControlFlow<(), ()> {
+ let a = foo()?.len();
+ //^ usize
+ ControlFlow::Continue(())
+}
+"#,
+ );
+}