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chalk: add known-bug test that was previously ICEing.

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This commit is contained in:
Dario Nieuwenhuis 2022-02-22 00:04:17 +01:00
parent b8bd9978e1
commit a1d8ce46da
3 changed files with 50 additions and 2 deletions
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9
src/test/ui/chalkify/bugs/async.rs Normal file
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@ -0,0 +1,9 @@
// check-fail
// known-bug
// compile-flags: -Z chalk --edition=2021
fn main() -> () {}
async fn foo(x: u32) -> u32 {
x
}

39
src/test/ui/chalkify/bugs/async.stderr Normal file
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@ -0,0 +1,39 @@
error[E0277]: the trait bound `[static generator@$DIR/async.rs:7:29: 9:2]: Generator<ResumeTy>` is not satisfied
--> $DIR/async.rs:7:29
|
LL | async fn foo(x: u32) -> u32 {
| _____________________________^
LL | | x
LL | | }
| |_^ the trait `Generator<ResumeTy>` is not implemented for `[static generator@$DIR/async.rs:7:29: 9:2]`
|
note: required by a bound in `from_generator`
--> $SRC_DIR/core/src/future/mod.rs:LL:COL
|
LL | T: Generator<ResumeTy, Yield = ()>,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `from_generator`
error[E0280]: the requirement `<[static generator@$DIR/async.rs:7:29: 9:2] as Generator<ResumeTy>>::Yield == ()` is not satisfied
--> $DIR/async.rs:7:29
|
LL | async fn foo(x: u32) -> u32 {
| _____________________________^
LL | | x
LL | | }
| |_^
|
note: required by a bound in `from_generator`
--> $SRC_DIR/core/src/future/mod.rs:LL:COL
|
LL | T: Generator<ResumeTy, Yield = ()>,
| ^^^^^^^^^^ required by this bound in `from_generator`
error[E0280]: the requirement `<impl Future<Output = [async output]> as Future>::Output == u32` is not satisfied
--> $DIR/async.rs:7:25
|
LL | async fn foo(x: u32) -> u32 {
| ^^^
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0277`.

4
src/tools/tidy/src/error_codes_check.rs
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@ -10,8 +10,8 @@
// A few of those error codes can't be tested but all the others can and *should* be tested!
const EXEMPTED_FROM_TEST: &[&str] = &[
"E0279", "E0280", "E0313", "E0377", "E0461", "E0462", "E0465", "E0476", "E0514", "E0519",
"E0523", "E0554", "E0640", "E0717", "E0729",
"E0279", "E0313", "E0377", "E0461", "E0462", "E0465", "E0476", "E0514", "E0519", "E0523",
"E0554", "E0640", "E0717", "E0729",
];
// Some error codes don't have any tests apparently...