From b88668b905043e9c28ee7cc18e5cfc2daca05cb9 Mon Sep 17 00:00:00 2001
From: Amos Shi <ashi@openjdk.org>
Date: Mon, 4 Dec 2023 10:56:21 +0000
Subject: [PATCH] 8213926: WB_EnqueueInitializerForCompilation requests
 compilation for NULL

Backport-of: 6b0d1af7fa2ab044621bcc939d63c906f3c60c28
---
 src/hotspot/share/prims/whitebox.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/share/prims/whitebox.cpp b/src/hotspot/share/prims/whitebox.cpp
index a56758eb5c4..a1ececff47d 100644
--- a/src/hotspot/share/prims/whitebox.cpp
+++ b/src/hotspot/share/prims/whitebox.cpp
@@ -949,7 +949,11 @@ WB_END
 
 WB_ENTRY(jboolean, WB_EnqueueInitializerForCompilation(JNIEnv* env, jobject o, jclass klass, jint comp_level))
   InstanceKlass* ik = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve(klass)));
-  return WhiteBox::compile_method(ik->class_initializer(), comp_level, InvocationEntryBci, THREAD);
+  Method* clinit = ik->class_initializer();
+  if (clinit == NULL) {
+    return false;
+  }
+  return WhiteBox::compile_method(clinit, comp_level, InvocationEntryBci, THREAD);
 WB_END
 
 WB_ENTRY(jboolean, WB_ShouldPrintAssembly(JNIEnv* env, jobject o, jobject method, jint comp_level))