P6opaque container attr auto-viv.

Author: jnthn

src/vm/jvm/runtime/org/perl6/nqp/sixmodel/reprs/P6Opaque.java

@@ -310,7 +310,8 @@ private void generateJVMType(ThreadContext tc, STable st, List<AttrInfo> attrInf
                     getBoxedVisitor.visitInsn(Opcodes.POP);
                     getBoxedVisitor.visitVarInsn(Opcodes.ALOAD, 0);
                     getBoxedVisitor.visitIntInsn(Opcodes.BIPUSH, i);
-                    String methodDesc = "(I)Lorg/perl6/nqp/sixmodel/SixModelObject;";
+                    getBoxedVisitor.visitVarInsn(Opcodes.ALOAD, 1);
+                    String methodDesc = "(ILorg/perl6/nqp/runtime/ThreadContext;)Lorg/perl6/nqp/sixmodel/SixModelObject;";
                     getBoxedVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, className, "autoViv", methodDesc);
                     getBoxedVisitor.visitLabel(end);
                     getBoxedVisitor.visitInsn(Opcodes.ARETURN);

src/vm/jvm/runtime/org/perl6/nqp/sixmodel/reprs/P6OpaqueBaseInstance.java

@@ -22,12 +22,13 @@ public final int resolveAttribute(SixModelObject classHandle, String name) {
         throw new RuntimeException("No such attribute '" + name + "' for this object");
     }
 
-    public final SixModelObject autoViv(int slot) {
+    public final SixModelObject autoViv(int slot, ThreadContext tc) {
         P6OpaqueREPRData rd = (P6OpaqueREPRData)this.st.REPRData;
         SixModelObject av = rd.autoVivContainers[slot];
         if (av instanceof TypeObject)
             return av;
-        throw new RuntimeException("Cloning auto-viv container NYI");
+        else
+            return av.clone(tc);
     }
 
     public SixModelObject clone(ThreadContext tc) {