From 01bd676df7d3c725c79539d7f7ed96033d327558 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=87=91=E6=88=9F?= <jinji.lf@alibaba-inc.com>
Date: Tue, 16 Feb 2021 18:27:27 +0800
Subject: [PATCH] aload 0 should be kept

---
 .../com/alibaba/testable/agent/handler/MockClassHandler.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java b/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java
index 9a51840..20319a7 100644
--- a/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java
+++ b/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java
@@ -66,7 +66,7 @@ public class MockClassHandler extends BaseClassWithContextHandler {
             for (AbstractInsnNode in : mn.instructions) {
                 if (in instanceof IincInsnNode) {
                     ((IincInsnNode)in).var++;
-                } else if (in instanceof VarInsnNode) {
+                } else if (in instanceof VarInsnNode && ((VarInsnNode)in).var > 0) {
                     ((VarInsnNode)in).var++;
                 }
             }