Add tests for calling trait methods on concrete types

1 files changed, 16 insertions, 0 deletions

diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs b/src/test/ui/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs
new file mode 100644
index 00000000000..cad4f69033b
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs
@@ -0,0 +1,16 @@
+#![allow(incomplete_features)]
+#![feature(const_trait_impl)]
+
+struct S;
+trait T {
+    fn foo();
+}
+
+fn non_const() {}
+
+impl const T for S {
+    fn foo() { non_const() }
+    //~^ ERROR
+}
+
+fn main() {}