Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/ui/structs/struct-path-associated-type.rs b/tests/ui/structs/struct-path-associated-type.rs
new file mode 100644
index 000000000..2dd7174a9
--- /dev/null
+++ b/tests/ui/structs/struct-path-associated-type.rs
@@ -0,0 +1,37 @@
+struct S;
+
+trait Tr {
+    type A;
+}
+
+impl Tr for S {
+    type A = S;
+}
+
+fn f<T: Tr>() {
+    let s = T::A {};
+    //~^ ERROR expected struct, variant or union type, found associated type
+    let z = T::A::<u8> {};
+    //~^ ERROR expected struct, variant or union type, found associated type
+    //~| ERROR this associated type takes 0 generic arguments but 1 generic argument was supplied
+    match S {
+        T::A {} => {}
+        //~^ ERROR expected struct, variant or union type, found associated type
+    }
+}
+
+fn g<T: Tr<A = S>>() {
+    let s = T::A {}; // OK
+    let z = T::A::<u8> {}; //~ ERROR this associated type takes 0 generic arguments but 1 generic argument was supplied
+    match S {
+        T::A {} => {} // OK
+    }
+}
+
+fn main() {
+    let s = S::A {}; //~ ERROR ambiguous associated type
+    let z = S::A::<u8> {}; //~ ERROR ambiguous associated type
+    match S {
+        S::A {} => {} //~ ERROR ambiguous associated type
+    }
+}