1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/specializing-constness-2.stderr b/src/test/ui/rfc-2632-const-trait-impl/specializing-constness-2.stderr
new file mode 100644
index 000000000..c554671e1
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/specializing-constness-2.stderr
@@ -0,0 +1,19 @@
+error[E0277]: the trait bound `T: ~const Sup` is not satisfied
+  --> $DIR/specializing-constness-2.rs:27:5
+   |
+LL |     <T as A>::a();
+   |     ^^^^^^^^^^^^^ the trait `~const Sup` is not implemented for `T`
+   |
+note: required for `T` to implement `~const A`
+  --> $DIR/specializing-constness-2.rs:20:37
+   |
+LL | impl<T: Default + ~const Sup> const A for T {
+   |                                     ^     ^
+help: consider further restricting this bound
+   |
+LL | const fn generic<T: Default + ~const Sup>() {
+   |                             ++++++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.