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-rw-r--r--tests/ui/hygiene/impl_items-2.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/hygiene/impl_items-2.rs b/tests/ui/hygiene/impl_items-2.rs
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+++ b/tests/ui/hygiene/impl_items-2.rs
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+#![feature(decl_macro)]
+
+trait Trait {
+    fn foo() {}
+}
+
+macro trait_impl() {
+    fn foo() {}
+}
+
+// Check that we error on multiple impl items that resolve to the same trait item.
+impl Trait for i32 {
+    trait_impl!();
+    fn foo() {}
+    //~^ ERROR duplicate definitions with name `foo`: [E0201]
+}
+
+struct Type;
+
+// Check that we do not error with inherent impls.
+impl Type {
+    trait_impl!();
+    fn foo() {}
+}
+
+fn main() {}