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Add regression test for #80375

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This commit is contained in:
LeSeulArtichaut 2020-12-27 19:28:09 +01:00
parent 2fab321435
commit fcc88fab6c
2 changed files with 15 additions and 0 deletions
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4
src/test/ui/const-generics/issues/issue-80375.rs Normal file
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struct MyArray<const COUNT: usize>([u8; COUNT + 1]);
//~^ ERROR generic parameters may not be used in const operations
fn main() {}

11
src/test/ui/const-generics/issues/issue-80375.stderr Normal file
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error: generic parameters may not be used in const operations
--> $DIR/issue-80375.rs:1:41
|
LL | struct MyArray<const COUNT: usize>([u8; COUNT + 1]);
| ^^^^^ cannot perform const operation using `COUNT`
|
= help: const parameters may only be used as standalone arguments, i.e. `COUNT`
= help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions
error: aborting due to previous error