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-rw-r--r--tests/ui/const-generics/occurs-check/unused-substs-1.rs13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/const-generics/occurs-check/unused-substs-1.rs b/tests/ui/const-generics/occurs-check/unused-substs-1.rs
new file mode 100644
index 000000000..9d12250c9
--- /dev/null
+++ b/tests/ui/const-generics/occurs-check/unused-substs-1.rs
@@ -0,0 +1,13 @@
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+trait Bar<const M: usize> {}
+impl<const N: usize> Bar<N> for A<{ 6 + 1 }> {}
+
+struct A<const N: usize>
+where
+ A<N>: Bar<N>;
+
+fn main() {
+ let _ = A; //~ERROR the trait bound
+}