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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/typeck/typeck-default-trait-impl-cross-crate-coherence.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/typeck/typeck-default-trait-impl-cross-crate-coherence.rs b/src/test/ui/typeck/typeck-default-trait-impl-cross-crate-coherence.rs new file mode 100644 index 000000000..cc75cd490 --- /dev/null +++ b/src/test/ui/typeck/typeck-default-trait-impl-cross-crate-coherence.rs @@ -0,0 +1,25 @@ +// aux-build:tdticc_coherence_lib.rs +#![allow(suspicious_auto_trait_impls)] + +// Test that we do not consider associated types to be sendable without +// some applicable trait bound (and we don't ICE). + +#![feature(negative_impls)] + +extern crate tdticc_coherence_lib as lib; + +use lib::DefaultedTrait; + +struct A; +impl DefaultedTrait for (A,) { } //~ ERROR E0117 + +struct B; +impl !DefaultedTrait for (B,) { } //~ ERROR E0117 + +struct C; +struct D<T>(T); +impl DefaultedTrait for Box<C> { } //~ ERROR E0321 +impl DefaultedTrait for lib::Something<C> { } //~ ERROR E0117 +impl DefaultedTrait for D<C> { } // OK + +fn main() { } |