1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/mir-opt/inline/inline-specialization.rs b/src/test/mir-opt/inline/inline-specialization.rs
new file mode 100644
index 00000000000..9591019bb4f
--- /dev/null
+++ b/src/test/mir-opt/inline/inline-specialization.rs
@@ -0,0 +1,48 @@
+#![feature(specialization)]
+
+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 }
+}
+
+// END RUST SOURCE
+// START rustc.main.Inline.before.mir
+// let mut _0: ();
+// let _1: u32;
+// scope 1 {
+//   debug x => _1;
+// }
+// bb0: {
+//   StorageLive(_1);
+//   _1 = const <std::vec::Vec<()> as Foo>::bar() -> bb1;
+// }
+// bb1: {
+//   _0 = ();
+//   StorageDead(_1);
+//   return;
+// }
+// END rustc.main.Inline.before.mir
+// START rustc.main.Inline.after.mir
+// let mut _0: ();
+// let _1: u32;
+// scope 1 {
+//   debug x => _1;
+// }
+// scope 2 {
+// }
+// bb0: {
+//   StorageLive(_1);
+//   _1 = const 123u32;
+//   _0 = ();
+//   StorageDead(_1);
+//   return;
+// }
+// END rustc.main.Inline.after.mir