diff options
7 files changed, 10 insertions, 38 deletions
diff --git a/compiler/rustc_trait_selection/src/opaque_types.rs b/compiler/rustc_trait_selection/src/opaque_types.rs index 04ce0c56c2a..c01faae5d6a 100644 --- a/compiler/rustc_trait_selection/src/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/opaque_types.rs @@ -1022,7 +1022,7 @@ impl<'a, 'tcx> Instantiator<'a, 'tcx> { if let ty::PredicateKind::Projection(projection) = predicate.kind().skip_binder() { if projection.ty.references_error() { // No point on adding these obligations since there's a type error involved. - return ty_var; + return tcx.ty_error(); } } // Change the predicate to refer to the type variable, diff --git a/src/test/ui/async-await/issues/issue-65159.rs b/src/test/ui/async-await/issues/issue-65159.rs index 1dbf5db6c32..df2ca025705 100644 --- a/src/test/ui/async-await/issues/issue-65159.rs +++ b/src/test/ui/async-await/issues/issue-65159.rs @@ -6,7 +6,6 @@ async fn copy() -> Result<()> //~^ ERROR this enum takes 2 generic arguments { Ok(()) - //~^ ERROR type annotations needed } fn main() { } diff --git a/src/test/ui/async-await/issues/issue-65159.stderr b/src/test/ui/async-await/issues/issue-65159.stderr index ff46bcb8983..45f5ec40cd7 100644 --- a/src/test/ui/async-await/issues/issue-65159.stderr +++ b/src/test/ui/async-await/issues/issue-65159.stderr @@ -16,13 +16,6 @@ help: add missing generic argument LL | async fn copy() -> Result<(), E> | +++ -error[E0282]: type annotations needed - --> $DIR/issue-65159.rs:8:5 - | -LL | Ok(()) - | ^^ cannot infer type for type parameter `E` declared on the enum `Result` - -error: aborting due to 2 previous errors +error: aborting due to previous error -Some errors have detailed explanations: E0107, E0282. -For more information about an error, try `rustc --explain E0107`. +For more information about this error, try `rustc --explain E0107`. diff --git a/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs b/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs index 569769b8213..dd0320bc53b 100644 --- a/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs +++ b/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs @@ -17,7 +17,6 @@ async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> { //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied //~^^ ERROR this struct takes 1 generic argument but 0 generic arguments were supplied LockedMarket(generator.lock().unwrap().buy()) - //~^ ERROR cannot return value referencing temporary value } struct LockedMarket<T>(T); diff --git a/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr b/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr index 4bd06673043..d2b927fb664 100644 --- a/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr +++ b/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr @@ -7,7 +7,7 @@ LL | async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> | expected 0 lifetime arguments | note: struct defined here, with 0 lifetime parameters - --> $DIR/issue-82126-mismatched-subst-and-hir.rs:23:8 + --> $DIR/issue-82126-mismatched-subst-and-hir.rs:22:8 | LL | struct LockedMarket<T>(T); | ^^^^^^^^^^^^ @@ -19,7 +19,7 @@ LL | async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> | ^^^^^^^^^^^^ expected 1 generic argument | note: struct defined here, with 1 generic parameter: `T` - --> $DIR/issue-82126-mismatched-subst-and-hir.rs:23:8 + --> $DIR/issue-82126-mismatched-subst-and-hir.rs:22:8 | LL | struct LockedMarket<T>(T); | ^^^^^^^^^^^^ - @@ -28,16 +28,6 @@ help: add missing generic argument LL | async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_, T> { | +++ -error[E0515]: cannot return value referencing temporary value - --> $DIR/issue-82126-mismatched-subst-and-hir.rs:19:5 - | -LL | LockedMarket(generator.lock().unwrap().buy()) - | ^^^^^^^^^^^^^-------------------------^^^^^^^ - | | | - | | temporary value created here - | returns a value referencing data owned by the current function - -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors -Some errors have detailed explanations: E0107, E0515. -For more information about an error, try `rustc --explain E0107`. +For more information about this error, try `rustc --explain E0107`. diff --git a/src/test/ui/impl-trait/issue-72911.rs b/src/test/ui/impl-trait/issue-72911.rs index 8761e4cf66a..dee5a41f6de 100644 --- a/src/test/ui/impl-trait/issue-72911.rs +++ b/src/test/ui/impl-trait/issue-72911.rs @@ -16,7 +16,6 @@ fn gather_from_file(dir_entry: &foo::MissingItem) -> impl Iterator<Item = Lint> fn lint_files() -> impl Iterator<Item = foo::MissingItem> { //~^ ERROR: failed to resolve - //~| ERROR: `()` is not an iterator unimplemented!() } diff --git a/src/test/ui/impl-trait/issue-72911.stderr b/src/test/ui/impl-trait/issue-72911.stderr index 6c6d9cbe23e..17748ae4277 100644 --- a/src/test/ui/impl-trait/issue-72911.stderr +++ b/src/test/ui/impl-trait/issue-72911.stderr @@ -28,15 +28,7 @@ LL | fn gather_from_file(dir_entry: &foo::MissingItem) -> impl Iterator<Item = L LL | fn lint_files() -> impl Iterator<Item = foo::MissingItem> { | -------------------------------------- returning this opaque type `FlatMap<impl Iterator, [type error], [closure@$DIR/issue-72911.rs:9:27: 9:51]>` -error[E0277]: `()` is not an iterator - --> $DIR/issue-72911.rs:17:20 - | -LL | fn lint_files() -> impl Iterator<Item = foo::MissingItem> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator - | - = help: the trait `Iterator` is not implemented for `()` - -error: aborting due to 4 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0277, E0433, E0720. -For more information about an error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0433, E0720. +For more information about an error, try `rustc --explain E0433`. |