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-rw-r--r--tests/ui/macros/macro-variable-declaration-with-bounds-5554.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/macros/macro-variable-declaration-with-bounds-5554.rs b/tests/ui/macros/macro-variable-declaration-with-bounds-5554.rs
new file mode 100644
index 00000000000..8ccf8e80131
--- /dev/null
+++ b/tests/ui/macros/macro-variable-declaration-with-bounds-5554.rs
@@ -0,0 +1,27 @@
+// https://github.com/rust-lang/rust/issues/5554
+//@ run-pass
+#![allow(dead_code)]
+
+pub struct X<T> {
+    a: T,
+}
+
+// reordering these bounds stops the ICE
+//
+// nmatsakis: This test used to have the bounds Default + PartialEq +
+// Default, but having duplicate bounds became illegal.
+impl<T: Default + PartialEq> Default for X<T> {
+    fn default() -> X<T> {
+        X { a: Default::default() }
+    }
+}
+
+macro_rules! constants {
+    () => {
+        let _ : X<isize> = Default::default();
+    }
+}
+
+pub fn main() {
+    constants!();
+}