6efddac288
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:
```
error[E0277]: the trait bound `i32: Bar` is not satisfied
--> f100.rs:6:6
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6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
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help: this trait has no implementations, consider adding one
--> f100.rs:2:1
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2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
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3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
123 lines
5.4 KiB
Plaintext
123 lines
5.4 KiB
Plaintext
error: coroutine cannot be sent between threads safely
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--> $DIR/parent-expression.rs:23:13
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LL | assert_send(g);
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| ^^^^^^^^^^^^^^ coroutine is not `Send`
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...
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LL | / type_combinations!(
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LL | | // OK
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LL | | copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
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LL | | // NOT OK: MIR borrowck thinks that this is used after the yield, even though
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... |
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LL | | };
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LL | | );
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| |_____- in this macro invocation
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= help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send`
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note: coroutine is not `Send` as this value is used across a yield
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--> $DIR/parent-expression.rs:21:22
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LL | let g = move || match drop($name::Client { ..$name::Client::default() }) {
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| ------------------------ has type `derived_drop::Client` which is not `Send`
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...
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LL | _ => yield,
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| ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later
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...
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LL | / type_combinations!(
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LL | | // OK
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LL | | copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
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LL | | // NOT OK: MIR borrowck thinks that this is used after the yield, even though
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... |
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LL | | };
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LL | | );
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| |_____- in this macro invocation
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note: required by a bound in `assert_send`
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--> $DIR/parent-expression.rs:40:19
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LL | fn assert_send<T: Send>(_thing: T) {}
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| ^^^^ required by this bound in `assert_send`
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= note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: coroutine cannot be sent between threads safely
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--> $DIR/parent-expression.rs:23:13
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LL | assert_send(g);
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| ^^^^^^^^^^^^^^ coroutine is not `Send`
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...
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LL | / type_combinations!(
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LL | | // OK
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LL | | copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
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LL | | // NOT OK: MIR borrowck thinks that this is used after the yield, even though
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... |
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LL | | };
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LL | | );
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| |_____- in this macro invocation
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= help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send`
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note: coroutine is not `Send` as this value is used across a yield
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--> $DIR/parent-expression.rs:21:22
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LL | let g = move || match drop($name::Client { ..$name::Client::default() }) {
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| ------------------------ has type `significant_drop::Client` which is not `Send`
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...
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LL | _ => yield,
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| ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later
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...
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LL | / type_combinations!(
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LL | | // OK
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LL | | copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
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LL | | // NOT OK: MIR borrowck thinks that this is used after the yield, even though
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... |
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LL | | };
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LL | | );
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| |_____- in this macro invocation
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note: required by a bound in `assert_send`
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--> $DIR/parent-expression.rs:40:19
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LL | fn assert_send<T: Send>(_thing: T) {}
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| ^^^^ required by this bound in `assert_send`
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= note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: coroutine cannot be sent between threads safely
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--> $DIR/parent-expression.rs:23:13
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LL | assert_send(g);
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| ^^^^^^^^^^^^^^ coroutine is not `Send`
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...
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LL | / type_combinations!(
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LL | | // OK
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LL | | copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
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LL | | // NOT OK: MIR borrowck thinks that this is used after the yield, even though
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... |
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LL | | };
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LL | | );
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| |_____- in this macro invocation
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= help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send`
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note: coroutine is not `Send` as this value is used across a yield
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--> $DIR/parent-expression.rs:21:22
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LL | let g = move || match drop($name::Client { ..$name::Client::default() }) {
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| ------------------------ has type `insignificant_dtor::Client` which is not `Send`
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...
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LL | _ => yield,
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| ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later
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...
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LL | / type_combinations!(
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LL | | // OK
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LL | | copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
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LL | | // NOT OK: MIR borrowck thinks that this is used after the yield, even though
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... |
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LL | | };
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LL | | );
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| |_____- in this macro invocation
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note: required by a bound in `assert_send`
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--> $DIR/parent-expression.rs:40:19
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LL | fn assert_send<T: Send>(_thing: T) {}
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| ^^^^ required by this bound in `assert_send`
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= note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 3 previous errors
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