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add test for rust-lang#113381
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Fixes rust-lang#113381

r? fee1-dead
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matthiaskrgr committed Nov 2, 2023
1 parent 62270fb commit 4d195d2
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#![feature(const_closures, const_trait_impl, effects)]
#![allow(incomplete_features)]

trait Foo {
fn foo(&self);
}

impl Foo for () {
fn foo(&self) {}
}

fn main() {
(const || { (()).foo() })();
//~^ ERROR: cannot call non-const fn
}
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error[E0015]: cannot call non-const fn `<() as Foo>::foo` in constant functions
--> $DIR/const_closure-const_trait_imp-ice-113381.rs:13:22
|
LL | (const || { (()).foo() })();
| ^^^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants

error: aborting due to previous error

For more information about this error, try `rustc --explain E0015`.

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