diff -r d4ee65642d8d -r 19d0484c1916 rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Thu May 22 15:29:40 2014 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Mon May 26 14:33:11 2014 +0200
@@ -1598,6 +1598,7 @@
         }
 
         if (returnType[0] != 'V') {
+            mapper.flush(this);
             append("var ")
                .append(mapper.pushT(VarType.fromFieldType(returnType[0])))
                .append(" = ");