Add NOP padding in case of empty return handler for delegation, which would also break use of the JDK class writer.

Author: raphw

byte-buddy-dep/src/main/java/net/bytebuddy/asm/Advice.java

@@ -14319,6 +14319,7 @@ public boolean isValid() {
             public Size apply(MethodVisitor methodVisitor, Context implementationContext) {
                 Label label = new Label();
                 Size size = dispatcher.apply(methodVisitor, offset, label).aggregate(stackManipulation.apply(methodVisitor, implementationContext));
+                methodVisitor.visitInsn(Opcodes.NOP);
                 methodVisitor.visitLabel(label);
                 stackMapFrameHandler.injectIntermediateFrame(methodVisitor, Collections.<TypeDescription>emptyList());
                 methodVisitor.visitInsn(Opcodes.NOP);