diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 9b7f8f80310..c762e684480 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -2036,7 +2036,8 @@ fn label_fn_like( } let typeck = self.typeck_results.borrow(); for (rcvr, args) in call_finder.calls { - if let Some(rcvr_ty) = typeck.node_type_opt(rcvr.hir_id) + if rcvr.hir_id.owner == typeck.hir_owner + && let Some(rcvr_ty) = typeck.node_type_opt(rcvr.hir_id) && let ty::Closure(call_def_id, _) = rcvr_ty.kind() && def_id == *call_def_id && let Some(idx) = expected_idx diff --git a/tests/ui/unboxed-closures/unboxed-closures-type-mismatch-closure-from-another-scope.rs b/tests/ui/unboxed-closures/unboxed-closures-type-mismatch-closure-from-another-scope.rs new file mode 100644 index 00000000000..157383fede1 --- /dev/null +++ b/tests/ui/unboxed-closures/unboxed-closures-type-mismatch-closure-from-another-scope.rs @@ -0,0 +1,23 @@ +fn test() { + let x = match **x { //~ ERROR + Some(&a) if { panic!() } => {} + }; + let mut p = &x; + + { + let mut closure = expect_sig(|p, y| *p = y); + closure(&mut p, &y); //~ ERROR + //~^ ERROR + } + + deref(p); //~ ERROR +} + +fn expect_sig(f: F) -> F +where + F: FnMut(&mut &i32, &i32), +{ + f +} + +fn main() {} diff --git a/tests/ui/unboxed-closures/unboxed-closures-type-mismatch-closure-from-another-scope.stderr b/tests/ui/unboxed-closures/unboxed-closures-type-mismatch-closure-from-another-scope.stderr new file mode 100644 index 00000000000..1470c32d7de --- /dev/null +++ b/tests/ui/unboxed-closures/unboxed-closures-type-mismatch-closure-from-another-scope.stderr @@ -0,0 +1,44 @@ +error[E0425]: cannot find value `x` in this scope + --> $DIR/unboxed-closures-type-mismatch-closure-from-another-scope.rs:2:21 + | +LL | let x = match **x { + | ^ not found in this scope + +error[E0425]: cannot find value `y` in this scope + --> $DIR/unboxed-closures-type-mismatch-closure-from-another-scope.rs:9:26 + | +LL | closure(&mut p, &y); + | ^ help: a local variable with a similar name exists: `p` + +error[E0308]: mismatched types + --> $DIR/unboxed-closures-type-mismatch-closure-from-another-scope.rs:9:17 + | +LL | closure(&mut p, &y); + | ------- ^^^^^^ expected `&mut &i32`, found `&mut &()` + | | + | arguments to this function are incorrect + | + = note: expected mutable reference `&mut &i32` + found mutable reference `&mut &()` +note: closure parameter defined here + --> $DIR/unboxed-closures-type-mismatch-closure-from-another-scope.rs:8:39 + | +LL | let mut closure = expect_sig(|p, y| *p = y); + | ^ + +error[E0425]: cannot find function `deref` in this scope + --> $DIR/unboxed-closures-type-mismatch-closure-from-another-scope.rs:13:5 + | +LL | deref(p); + | ^^^^^ not found in this scope + | +help: use the `.` operator to call the method `Deref::deref` on `&&()` + | +LL - deref(p); +LL + p.deref(); + | + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0308, E0425. +For more information about an error, try `rustc --explain E0308`.