1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/feature-gates/feature-gate-associated_const_equality.rs b/src/test/ui/feature-gates/feature-gate-associated_const_equality.rs
new file mode 100644
index 000000000..2534c527b
--- /dev/null
+++ b/src/test/ui/feature-gates/feature-gate-associated_const_equality.rs
@@ -0,0 +1,15 @@
+pub trait TraitWAssocConst {
+  const A: usize;
+}
+pub struct Demo {}
+
+impl TraitWAssocConst for Demo {
+  const A: usize = 32;
+}
+
+fn foo<A: TraitWAssocConst<A=32>>() {}
+//~^ ERROR associated const equality
+
+fn main() {
+  foo::<Demo>();
+}