1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/run-pass/expr-alt-generic-box1.rs b/src/test/run-pass/expr-alt-generic-box1.rs
new file mode 100644
index 00000000..314ae7fd
--- /dev/null
+++ b/src/test/run-pass/expr-alt-generic-box1.rs
@@ -0,0 +1,25 @@
+// xfail-boot
+// -*- rust -*-
+
+type compare[T] = fn(@T t1, @T t2) -> bool;
+
+fn test_generic[T](@T expected, &compare[T] eq) {
+  let @T actual = alt (true) {
+    case (true) {
+      expected
+    }
+  };
+  check (eq(expected, actual));
+}
+
+fn test_box() {
+  fn compare_box(@bool b1, @bool b2) -> bool {
+    ret *b1 == b2;
+  }
+  auto eq = bind compare_box(_, _);
+  test_generic[bool](@true, eq);
+}
+
+fn main() {
+  test_box();
+}