diff -r ea12a3bb4b33 -r 3c23f0cebd32 rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Tue Feb 24 11:12:53 2015 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Fri Feb 27 10:52:26 2015 +0100
@@ -19,7 +19,6 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.Arrays;
 import org.apidesign.bck2brwsr.core.JavaScriptBody;
 import static org.apidesign.vm4brwsr.ByteCodeParser.*;
 
@@ -1800,6 +1799,7 @@
         }
 
         if (returnType[0] != 'V') {
+            mapper.flush(this);
             append("var ")
                .append(mapper.pushT(VarType.fromFieldType(returnType[0])))
                .append(" = ");