Protocol Buffer runtime library and 'protoc' plugin

lib/fixnum/int64.dart

Index: lib/fixnum/int64.dart
diff --git a/lib/fixnum/int64.dart b/lib/fixnum/int64.dart
index 8cefb32f502d89cd7af0afc53ceea3961e38c0a7..733955e092abfc869bf11f690ed15b36547bb0b1 100644
--- a/lib/fixnum/int64.dart
+++ b/lib/fixnum/int64.dart
@@ -243,8 +243,8 @@ class int64 implements intx {
       throw new NullPointerException();
     } else if (other is intx) {
       other = other.toInt64();
-    } else if (other is int) {
-      other = new int64.fromInt(other);
+    } else if (other is num) {
+      other = new int64.fromInt(other.toInt());
     }
     if (other is !int64) {
       throw new Exception("Can't promote $other to int64");