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-rw-r--r--src/test/ui/traits/safety-trait-impl.stderr12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/traits/safety-trait-impl.stderr b/src/test/ui/traits/safety-trait-impl.stderr
index fc0f6c693..721e2b48b 100644
--- a/src/test/ui/traits/safety-trait-impl.stderr
+++ b/src/test/ui/traits/safety-trait-impl.stderr
@@ -3,12 +3,24 @@ error[E0200]: the trait `UnsafeTrait` requires an `unsafe impl` declaration
|
LL | impl UnsafeTrait for u16 { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: the trait `UnsafeTrait` enforces invariants that the compiler can't check. Review the trait documentation and make sure this implementation upholds those invariants before adding the `unsafe` keyword
+help: add `unsafe` to this trait implementation
+ |
+LL | unsafe impl UnsafeTrait for u16 { }
+ | ++++++
error[E0199]: implementing the trait `SafeTrait` is not unsafe
--> $DIR/safety-trait-impl.rs:16:1
|
LL | unsafe impl SafeTrait for u32 { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+help: remove `unsafe` from this trait implementation
+ |
+LL - unsafe impl SafeTrait for u32 { }
+LL + impl SafeTrait for u32 { }
+ |
error: aborting due to 2 previous errors