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Rollup merge of #98050 - JohnTitor:issue-67945, r=compiler-errors
Add some more regression tests for #67945 Closes #67945, added two tests from #67945 (comment), other snippets were already added in #71952 and #77439 r? `@compiler-errors`
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16 changes: 16 additions & 0 deletions
16
src/test/ui/const-generics/issues/issue-67945-3.full.stderr
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error: overly complex generic constant | ||
--> $DIR/issue-67945-3.rs:10:13 | ||
| | ||
LL | A: [(); { | ||
| _____________^ | ||
LL | | let x: Option<S> = None; | ||
LL | | | ||
LL | | 0 | ||
LL | | }], | ||
| |_____^ blocks are not supported in generic constant | ||
| | ||
= help: consider moving this anonymous constant into a `const` function | ||
= note: this operation may be supported in the future | ||
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error: aborting due to previous error | ||
|
21 changes: 21 additions & 0 deletions
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src/test/ui/const-generics/issues/issue-67945-3.min.stderr
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error: generic parameters may not be used in const operations | ||
--> $DIR/issue-67945-3.rs:11:23 | ||
| | ||
LL | let x: Option<S> = None; | ||
| ^ cannot perform const operation using `S` | ||
| | ||
= note: type parameters may not be used in const expressions | ||
= help: use `#![feature(generic_const_exprs)]` to allow generic const expressions | ||
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error[E0392]: parameter `S` is never used | ||
--> $DIR/issue-67945-3.rs:9:12 | ||
| | ||
LL | struct Bug<S> { | ||
| ^ unused parameter | ||
| | ||
= help: consider removing `S`, referring to it in a field, or using a marker such as `PhantomData` | ||
= help: if you intended `S` to be a const parameter, use `const S: usize` instead | ||
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error: aborting due to 2 previous errors | ||
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For more information about this error, try `rustc --explain E0392`. |
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// Regression test for | ||
// https://github.com/rust-lang/rust/issues/67945#issuecomment-572617285 | ||
// Make sure we don't emit an E0277 error. | ||
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// revisions: full min | ||
#![cfg_attr(full, feature(generic_const_exprs))] | ||
#![cfg_attr(full, allow(incomplete_features))] | ||
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struct Bug<S> { //[min]~ ERROR: parameter `S` is never used | ||
A: [(); { //[full]~ ERROR: overly complex generic constant | ||
let x: Option<S> = None; | ||
//[min]~^ ERROR: generic parameters may not be used in const operations | ||
0 | ||
}], | ||
} | ||
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fn main() {} |
16 changes: 16 additions & 0 deletions
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src/test/ui/const-generics/issues/issue-67945-4.full.stderr
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@@ -0,0 +1,16 @@ | ||
error: overly complex generic constant | ||
--> $DIR/issue-67945-4.rs:9:13 | ||
| | ||
LL | A: [(); { | ||
| _____________^ | ||
LL | | let x: Option<Box<S>> = None; | ||
LL | | | ||
LL | | 0 | ||
LL | | }], | ||
| |_____^ blocks are not supported in generic constant | ||
| | ||
= help: consider moving this anonymous constant into a `const` function | ||
= note: this operation may be supported in the future | ||
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||
error: aborting due to previous error | ||
|
21 changes: 21 additions & 0 deletions
21
src/test/ui/const-generics/issues/issue-67945-4.min.stderr
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---|---|---|
@@ -0,0 +1,21 @@ | ||
error: generic parameters may not be used in const operations | ||
--> $DIR/issue-67945-4.rs:10:27 | ||
| | ||
LL | let x: Option<Box<S>> = None; | ||
| ^ cannot perform const operation using `S` | ||
| | ||
= note: type parameters may not be used in const expressions | ||
= help: use `#![feature(generic_const_exprs)]` to allow generic const expressions | ||
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error[E0392]: parameter `S` is never used | ||
--> $DIR/issue-67945-4.rs:8:12 | ||
| | ||
LL | struct Bug<S> { | ||
| ^ unused parameter | ||
| | ||
= help: consider removing `S`, referring to it in a field, or using a marker such as `PhantomData` | ||
= help: if you intended `S` to be a const parameter, use `const S: usize` instead | ||
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error: aborting due to 2 previous errors | ||
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||
For more information about this error, try `rustc --explain E0392`. |
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// Regression test for | ||
// https://github.com/rust-lang/rust/issues/67945#issuecomment-572617285 | ||
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// revisions: full min | ||
#![cfg_attr(full, feature(generic_const_exprs))] | ||
#![cfg_attr(full, allow(incomplete_features))] | ||
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struct Bug<S> { //[min]~ ERROR: parameter `S` is never used | ||
A: [(); { //[full]~ ERROR: overly complex generic constant | ||
let x: Option<Box<S>> = None; | ||
//[min]~^ ERROR: generic parameters may not be used in const operations | ||
0 | ||
}], | ||
} | ||
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fn main() {} |