--- /dev/null	2016-04-25 11:46:41.725730096 -0400
+++ new/test/runtime/locallong/LocalLongHelper.java	2016-09-06 17:16:27.862080535 -0400
@@ -0,0 +1,84 @@
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+import java.lang.StackWalker.StackFrame;
+
+public class LocalLongHelper {
+    static StackWalker sw;
+    static Method intValue;
+    static Method getLocals;
+    static Class<?> primitiveValueClass;
+    static Method primitiveType;
+    static Method getMethodType;
+    static Field memberName;
+    static Field offset;
+    
+    public static void main(String[] args) throws Throwable {
+        setupReflectionStatics();
+        new LocalLongHelper().longArg(0xC0FFEE, 0x1234567890ABCDEFL);
+    }
+
+    /*
+     * The first 4 local slots should be:
+     * 0: this
+     * 1: int "i"
+     * 2: long "l", first slot
+     * 3: long "l", second slot
+     */
+    public long longArg(int i, long l) throws Throwable {        
+        List<StackFrame> frames = sw.walk(s -> s.collect(Collectors.toList()));
+        Object[] locals = (Object[]) getLocals.invoke(frames.get(0));
+                
+        int locals_1 = (int) intValue.invoke(locals[1]); // java.lang.LiveStackFrame$PrimitiveValue.intValue()
+        int locals_2 = (int) intValue.invoke(locals[2]);
+        int locals_3 = (int) intValue.invoke(locals[3]);
+        if (locals_2 != 0){
+            throw new RuntimeException("Expected locals_2 == 0");
+        }
+        return l; // Don't want l to become a dead var
+    }
+    
+    private static void setupReflectionStatics() throws Throwable {
+        Class<?> liveStackFrameClass = Class.forName("java.lang.LiveStackFrame");
+        primitiveValueClass = Class.forName("java.lang.LiveStackFrame$PrimitiveValue");
+
+        getLocals = liveStackFrameClass.getDeclaredMethod("getLocals");
+        getLocals.setAccessible(true);
+
+        intValue = primitiveValueClass.getDeclaredMethod("intValue");
+        intValue.setAccessible(true);
+
+        Class<?> stackFrameInfoClass = Class.forName("java.lang.StackFrameInfo");
+        memberName = stackFrameInfoClass.getDeclaredField("memberName");
+        memberName.setAccessible(true);
+        offset = stackFrameInfoClass.getDeclaredField("bci");
+        offset.setAccessible(true);
+        getMethodType = Class.forName("java.lang.invoke.MemberName").getDeclaredMethod("getMethodType");
+        getMethodType.setAccessible(true);
+        
+        Class<?> extendedOptionClass = Class.forName("java.lang.StackWalker$ExtendedOption");
+        Method ewsNI = StackWalker.class.getDeclaredMethod("newInstance", Set.class, extendedOptionClass);
+        ewsNI.setAccessible(true);
+        Field f = extendedOptionClass.getDeclaredField("LOCALS_AND_OPERANDS");
+        f.setAccessible(true);
+        Object localsAndOperandsOption = f.get(null);        
+        
+        primitiveType = primitiveValueClass.getDeclaredMethod("type");
+        primitiveType.setAccessible(true);        
+        
+        sw = (StackWalker) ewsNI.invoke(null, java.util.Collections.emptySet(), localsAndOperandsOption);        
+    }
+
+    private static String type(Object o) throws Throwable {
+        if (primitiveValueClass.isInstance(o)) {
+            final char c = (char) primitiveType.invoke(o);
+            return String.valueOf(c);
+        } else if (o != null) {
+            return o.getClass().getName();
+        } else {
+            return "null";
+        }
+    }
+}