Fix an edge case in dependency freshness checking.

test/must_pub_get_test.dart

Index: test/must_pub_get_test.dart
diff --git a/test/must_pub_get_test.dart b/test/must_pub_get_test.dart
index 3ef503537d4ab2b1b6e6684a82626e10cfe41d6c..e1f71eb71351151126fe91a78ac435e41c4279b9 100644
--- a/test/must_pub_get_test.dart
+++ b/test/must_pub_get_test.dart
@@ -339,6 +339,25 @@ foo:http://example.com/
       _runsSuccessfully();
     });
 
+    // Regression test for #1416
+    group("a path dependency has a dependency on the root package", () {
+      setUp(() {
+        d.dir("foo", [
+          d.libPubspec("foo", "1.0.0", deps: {"myapp": "any"})
+        ]).create();
+
+        d.dir(appPath, [
+          d.appPubspec({"foo": {"path": "../foo"}})
+        ]).create();
+
+        pubGet();
+
+        _touch("pubspec.lock");
+      });
+
+      _runsSuccessfully();
+    });
+
     group("the lockfile is newer than .packages, but they're up-to-date", () {
       setUp(() {
         d.dir(appPath, [