diff --git a/src/test/ui/rfc-2632-const-trait-impl/stability.rs b/src/test/ui/rfc-2632-const-trait-impl/stability.rs new file mode 100644 index 00000000000..36cfaff2ffa --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/stability.rs @@ -0,0 +1,33 @@ +#![allow(incomplete_features)] +#![feature(allow_internal_unstable)] +#![feature(const_add)] +#![feature(const_trait_impl)] +#![feature(staged_api)] + +pub struct Int(i32); + +#[rustc_const_unstable(feature = "const_add", issue = "none")] +impl const std::ops::Add for Int { + type Output = Self; + + fn add(self, rhs: Self) -> Self { + Int(self.0 + rhs.0) + } +} + +#[stable(feature = "rust1", since = "1.0.0")] +#[rustc_const_stable(feature = "rust1", since = "1.0.0")] +pub const fn foo() -> Int { + Int(1i32) + Int(2i32) + //~^ ERROR can only call other `const fn` within a `const fn` +} + +// ok +#[stable(feature = "rust1", since = "1.0.0")] +#[rustc_const_unstable(feature = "bar", issue = "none")] +pub const fn bar() -> Int { + Int(1i32) + Int(2i32) +} + + +fn main() {} diff --git a/src/test/ui/rfc-2632-const-trait-impl/stability.stderr b/src/test/ui/rfc-2632-const-trait-impl/stability.stderr new file mode 100644 index 00000000000..ce3bada01e8 --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/stability.stderr @@ -0,0 +1,12 @@ +error[E0723]: can only call other `const fn` within a `const fn`, but `const ::add` is not stable as `const fn` + --> $DIR/stability.rs:21:5 + | +LL | Int(1i32) + Int(2i32) + | ^^^^^^^^^^^^^^^^^^^^^ + | + = note: for more information, see issue https://github.com/rust-lang/rust/issues/57563 + = help: add `#![feature(const_fn)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0723`.