}
String clsName = classOptimizer.clsName;
mv.visitFieldInsn(GETSTATIC, clsName, fieldName, "Ljava/lang/Class;");
Label elseLabel = new Label();
mv.visitJumpInsn(IFNONNULL, elseLabel);
mv.visitLdcInsn(ldcName.replace('/', '.'));
mv.visitMethodInsn(INVOKESTATIC, clsName, "class$",
"(Ljava/lang/String;)Ljava/lang/Class;");
mv.visitInsn(DUP);
mv.visitFieldInsn(PUTSTATIC, clsName, fieldName, "Ljava/lang/Class;");