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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/specialization/issue-50452-fail.stderr | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/specialization/issue-50452-fail.stderr b/src/test/ui/specialization/issue-50452-fail.stderr new file mode 100644 index 000000000..7249ad738 --- /dev/null +++ b/src/test/ui/specialization/issue-50452-fail.stderr @@ -0,0 +1,24 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-50452-fail.rs:1:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: `#[warn(incomplete_features)]` on by default + = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information + = help: consider using `min_specialization` instead, which is more stable and complete + +error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default` + --> $DIR/issue-50452-fail.rs:10:5 + | +LL | fn foo() {} + | ^^^^^^^^^^^ cannot specialize default item `foo` +... +LL | impl<T> Foo for T { + | ----------------- parent `impl` is here + | + = note: to specialize, `foo` in the parent `impl` must be marked `default` + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0520`. |