From 4afce462319d2c228a4273950b84aef85682380f Mon Sep 17 00:00:00 2001 From: Gurinder Singh Date: Sat, 23 Mar 2024 11:22:17 +0530 Subject: [PATCH] Change an ICE regression test to use the original reproducer This gives us more confidence that the ICE was indeed fixed. --- ...ce-hir-wf-check-anon-const-issue-122199.rs | 33 +++- ...ir-wf-check-anon-const-issue-122199.stderr | 174 +++++++++++++++++- 2 files changed, 197 insertions(+), 10 deletions(-) diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs index 107cfbb9ff6..db155f4fa3c 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs @@ -1,11 +1,30 @@ trait Trait { -//~^ ERROR cannot find value `bar` in this scope -//~| ERROR cycle detected when computing type of `Trait::N` -//~| ERROR cycle detected when computing type of `Trait::N` -//~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter -//~| WARN trait objects without an explicit `dyn` are deprecated -//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! - fn fnc(&self) { + //~^ ERROR cannot find value `bar` in this scope + //~| ERROR cycle detected when computing type of `Trait::N` + //~| ERROR cycle detected when computing type of `Trait::N` + //~| ERROR the trait `Trait` cannot be made into an object + //~| ERROR the trait `Trait` cannot be made into an object + //~| ERROR the trait `Trait` cannot be made into an object + //~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + fn fnc(&self) -> Trait { + //~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters + //~| ERROR expected value, found builtin type `u32` + //~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + //~| ERROR associated item referring to unboxed trait object for its own trait + //~| ERROR the trait `Trait` cannot be made into an object + //~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + bar + //~^ ERROR cannot find value `bar` in this scope } } diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr index 2d5a0ede962..cf985d9d1fd 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr @@ -1,9 +1,30 @@ +error[E0403]: the name `N` is already used for a generic parameter in this item's generic parameters + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:18 + | +LL | trait Trait { + | - first use of `N` +... +LL | fn fnc(&self) -> Trait { + | ^ already used + error[E0425]: cannot find value `bar` in this scope --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:30 | LL | trait Trait { | ^^^ not found in this scope +error[E0423]: expected value, found builtin type `u32` + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:29 + | +LL | fn fnc(&self) -> Trait { + | ^^^ not a value + +error[E0425]: cannot find value `bar` in this scope + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:26:9 + | +LL | bar + | ^^^ not found in this scope + warning: trait objects without an explicit `dyn` are deprecated --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:22 | @@ -46,6 +67,84 @@ LL | trait Trait { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information +error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:12 + | +LL | fn fnc(&self) -> Trait { + | ^^^^^^^^^^^^^^^^^^^^ + +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + | +LL | fn fnc(&self) -> Trait { + | ^^^^^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + = note: for more information, see +help: if this is an object-safe trait, use `dyn` + | +LL | fn fnc(&self) -> Trait { + | +++ + +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:44 + | +LL | fn fnc(&self) -> Trait { + | ^^^^^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + = note: for more information, see +help: if this is an object-safe trait, use `dyn` + | +LL | fn fnc(&self) -> dyn Trait { + | +++ + +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:22 + | +LL | trait Trait { + | ^^^^^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + = note: for more information, see + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: if this is an object-safe trait, use `dyn` + | +LL | trait Trait { + | +++ + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:22 + | +LL | trait Trait { + | ^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | fn fnc(&self) -> Trait { + | ^^^ ...because method `fnc` has generic type parameters + = help: consider moving `fnc` to another trait + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:13 + | +LL | trait Trait { + | ^^^^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | fn fnc(&self) -> Trait { + | ^^^ ...because method `fnc` has generic type parameters + = help: consider moving `fnc` to another trait + error: `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:22 | @@ -54,7 +153,76 @@ LL | trait Trait { | = note: the only supported types are integers, `bool` and `char` -error: aborting due to 4 previous errors; 1 warning emitted +error: associated item referring to unboxed trait object for its own trait + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:44 + | +LL | trait Trait { + | ----- in this trait +... +LL | fn fnc(&self) -> Trait { + | ^^^^^ + | +help: you might have meant to use `Self` to refer to the implementing type + | +LL | fn fnc(&self) -> Self { + | ~~~~ -Some errors have detailed explanations: E0391, E0425. -For more information about an error, try `rustc --explain E0391`. +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + | +LL | fn fnc(&self) -> Trait { + | ^^^^^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + = note: for more information, see + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: if this is an object-safe trait, use `dyn` + | +LL | fn fnc(&self) -> Trait { + | +++ + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + | +LL | fn fnc(&self) -> Trait { + | ^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | fn fnc(&self) -> Trait { + | ^^^ ...because method `fnc` has generic type parameters + = help: consider moving `fnc` to another trait + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:13 + | +LL | trait Trait { + | ^^^^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | fn fnc(&self) -> Trait { + | ^^^ ...because method `fnc` has generic type parameters + = help: consider moving `fnc` to another trait + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + | +LL | fn fnc(&self) -> Trait { + | ^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: aborting due to 14 previous errors; 5 warnings emitted + +Some errors have detailed explanations: E0038, E0391, E0403, E0423, E0425. +For more information about an error, try `rustc --explain E0038`.