From 75d06bebbfffdd93fbfab285acdbb81d8fe02df2 Mon Sep 17 00:00:00 2001
From: Alexey Andreev <alexey.andreev@delightex.com>
Date: Thu, 18 Mar 2021 14:20:29 +0300
Subject: [PATCH] JS: fix bug in compilation of monitorenter instruction

---
 .../src/main/java/org/teavm/model/util/AsyncMethodFinder.java | 3 ++-
 tests/src/test/java/org/teavm/vm/VMTest.java                  | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/core/src/main/java/org/teavm/model/util/AsyncMethodFinder.java b/core/src/main/java/org/teavm/model/util/AsyncMethodFinder.java
index 5af6ca51c..14c0cf843 100644
--- a/core/src/main/java/org/teavm/model/util/AsyncMethodFinder.java
+++ b/core/src/main/java/org/teavm/model/util/AsyncMethodFinder.java
@@ -161,7 +161,8 @@ public class AsyncMethodFinder {
         }
 
         if (!hasAsyncMethods && methodRef.getClassName().equals("java.lang.Object")
-                && (methodRef.getName().equals("monitorEnter") || methodRef.getName().equals("monitorExit"))) {
+                && (methodRef.getName().equals("monitorEnter") || methodRef.getName().equals("monitorExit"))
+                && methodRef.parameterCount() == 0) {
             return;
         }
         for (CallSite callSite : node.getCallerCallSites()) {
diff --git a/tests/src/test/java/org/teavm/vm/VMTest.java b/tests/src/test/java/org/teavm/vm/VMTest.java
index b70475803..c1b86ed63 100644
--- a/tests/src/test/java/org/teavm/vm/VMTest.java
+++ b/tests/src/test/java/org/teavm/vm/VMTest.java
@@ -433,14 +433,14 @@ public class VMTest {
 
         public synchronized void doWait() {
             new Thread(() -> {
-                synchronized (AsyncClinitClass.this) {
+                synchronized (this) {
                     notify();
                 }
             }).start();
 
             try {
                 Thread.sleep(1);
-                synchronized (AsyncClinitClass.this) {
+                synchronized (this) {
                     wait();
                 }
             } catch (InterruptedException ie) {