diff options
9 files changed, 79 insertions, 10 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index ab445afe6d6..70fac83325a 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -860,8 +860,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { } } - err.emit(); - return; + err } ty::PredicateKind::WellFormed(ty) => { diff --git a/src/test/ui/closure_context/issue-26046-fn-mut.stderr b/src/test/ui/closure_context/issue-26046-fn-mut.stderr index 74d3c4977ee..f744b71c284 100644 --- a/src/test/ui/closure_context/issue-26046-fn-mut.stderr +++ b/src/test/ui/closure_context/issue-26046-fn-mut.stderr @@ -8,6 +8,8 @@ LL | num += 1; ... LL | Box::new(closure) | ----------------- the requirement to implement `Fn` derives from here + | + = note: required for the cast from `[closure@$DIR/issue-26046-fn-mut.rs:4:19: 4:21]` to the object type `dyn Fn()` error: aborting due to previous error diff --git a/src/test/ui/closure_context/issue-26046-fn-once.stderr b/src/test/ui/closure_context/issue-26046-fn-once.stderr index 473e8e8417e..34f94f9dca6 100644 --- a/src/test/ui/closure_context/issue-26046-fn-once.stderr +++ b/src/test/ui/closure_context/issue-26046-fn-once.stderr @@ -8,6 +8,8 @@ LL | vec ... LL | Box::new(closure) | ----------------- the requirement to implement `Fn` derives from here + | + = note: required for the cast from `[closure@$DIR/issue-26046-fn-once.rs:4:19: 4:26]` to the object type `dyn Fn() -> Vec<u8>` error: aborting due to previous error diff --git a/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-array-diagnostics.stderr b/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-array-diagnostics.stderr index b5f06e38f6d..309c63e5293 100644 --- a/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-array-diagnostics.stderr +++ b/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-array-diagnostics.stderr @@ -7,7 +7,15 @@ LL | let [_, _s] = s; | - closure is `FnOnce` because it moves the variable `s` out of its environment LL | }; LL | expect_fn(c); - | - the requirement to implement `Fn` derives from here + | --------- - the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `expect_fn` + --> $DIR/closure-origin-array-diagnostics.rs:5:17 + | +LL | fn expect_fn<F: Fn()>(_f: F) {} + | ^^^^ required by this bound in `expect_fn` error: aborting due to previous error diff --git a/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-tuple-diagnostics.stderr b/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-tuple-diagnostics.stderr index 66cd847db50..3e77635f9e0 100644 --- a/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-tuple-diagnostics.stderr +++ b/src/test/ui/closures/2229_closure_analysis/diagnostics/closure-origin-tuple-diagnostics.stderr @@ -7,7 +7,15 @@ LL | let s = s.1; | --- closure is `FnOnce` because it moves the variable `s.1` out of its environment LL | }; LL | expect_fn(c); - | - the requirement to implement `Fn` derives from here + | --------- - the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `expect_fn` + --> $DIR/closure-origin-tuple-diagnostics.rs:5:17 + | +LL | fn expect_fn<F: Fn()>(_f: F) {} + | ^^^^ required by this bound in `expect_fn` error: aborting due to previous error diff --git a/src/test/ui/closures/closure-wrong-kind.stderr b/src/test/ui/closures/closure-wrong-kind.stderr index 421be56d917..9ea55d764f3 100644 --- a/src/test/ui/closures/closure-wrong-kind.stderr +++ b/src/test/ui/closures/closure-wrong-kind.stderr @@ -6,7 +6,15 @@ LL | let closure = |_| foo(x); | | | this closure implements `FnOnce`, not `Fn` LL | bar(closure); - | ------- the requirement to implement `Fn` derives from here + | --- ------- the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `bar` + --> $DIR/closure-wrong-kind.rs:6:11 + | +LL | fn bar<T: Fn(u32)>(_: T) {} + | ^^^^^^^ required by this bound in `bar` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-34349.stderr b/src/test/ui/issues/issue-34349.stderr index 272feb1e379..8e9a16619f3 100644 --- a/src/test/ui/issues/issue-34349.stderr +++ b/src/test/ui/issues/issue-34349.stderr @@ -7,7 +7,15 @@ LL | farewell.push_str("!!!"); | -------- closure is `FnMut` because it mutates the variable `farewell` here ... LL | apply(diary); - | ----- the requirement to implement `Fn` derives from here + | ----- ----- the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `apply` + --> $DIR/issue-34349.rs:11:32 + | +LL | fn apply<F>(f: F) where F: Fn() { + | ^^^^ required by this bound in `apply` error: aborting due to previous error diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures.stderr b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures.stderr index 683162a5dae..eba65a61803 100644 --- a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures.stderr +++ b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures.stderr @@ -8,7 +8,15 @@ LL | drop::<U>(_x1); | --- closure is `FnOnce` because it moves the variable `_x1` out of its environment ... LL | accept_fn_mut(&c1); - | --- the requirement to implement `FnMut` derives from here + | ------------- --- the requirement to implement `FnMut` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `accept_fn_mut` + --> $DIR/move-ref-patterns-closure-captures.rs:4:31 + | +LL | fn accept_fn_mut(_: &impl FnMut()) {} + | ^^^^^^^ required by this bound in `accept_fn_mut` error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce` --> $DIR/move-ref-patterns-closure-captures.rs:9:14 @@ -20,7 +28,15 @@ LL | drop::<U>(_x1); | --- closure is `FnOnce` because it moves the variable `_x1` out of its environment ... LL | accept_fn(&c1); - | --- the requirement to implement `Fn` derives from here + | --------- --- the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `accept_fn` + --> $DIR/move-ref-patterns-closure-captures.rs:5:27 + | +LL | fn accept_fn(_: &impl Fn()) {} + | ^^^^ required by this bound in `accept_fn` error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnMut` --> $DIR/move-ref-patterns-closure-captures.rs:20:14 @@ -32,7 +48,15 @@ LL | drop::<&mut U>(_x2); | --- closure is `FnMut` because it mutates the variable `_x2` here ... LL | accept_fn(&c2); - | --- the requirement to implement `Fn` derives from here + | --------- --- the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `accept_fn` + --> $DIR/move-ref-patterns-closure-captures.rs:5:27 + | +LL | fn accept_fn(_: &impl Fn()) {} + | ^^^^ required by this bound in `accept_fn` error: aborting due to 3 previous errors diff --git a/src/test/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr b/src/test/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr index 4ea1ee3c37a..635ebbb71d0 100644 --- a/src/test/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr +++ b/src/test/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr @@ -6,7 +6,17 @@ LL | let c = || drop(y.0); | | | this closure implements `FnOnce`, not `Fn` LL | foo(c); - | - the requirement to implement `Fn` derives from here + | --- - the requirement to implement `Fn` derives from here + | | + | required by a bound introduced by this call + | +note: required by a bound in `foo` + --> $DIR/unboxed-closures-infer-fn-once-move-from-projection.rs:4:14 + | +LL | fn foo<F>(f: F) + | --- required by a bound in this +LL | where F: Fn() + | ^^^^ required by this bound in `foo` error: aborting due to previous error |