1 files changed, 15 insertions, 0 deletions
diff --git a/tests/mir-opt/inline/inline_specialization.rs b/tests/mir-opt/inline/inline_specialization.rs
new file mode 100644
index 000000000..87275b4e5
--- /dev/null
+++ b/tests/mir-opt/inline/inline_specialization.rs
@@ -0,0 +1,15 @@
+#![feature(specialization)]
+
+// EMIT_MIR inline_specialization.main.Inline.diff
+fn main() {
+    let x = <Vec::<()> as Foo>::bar();
+}
+
+trait Foo {
+    fn bar() -> u32;
+}
+
+impl<T> Foo for Vec<T> {
+    #[inline(always)]
+    default fn bar() -> u32 { 123 }
+}