From 8b740b46091c853c7cb66c361deda6dfbb2cedc8 Mon Sep 17 00:00:00 2001
From: Patricio Chilano Mateo <pchilanomate@openjdk.org>
Date: Thu, 9 Mar 2023 22:53:44 +0000
Subject: [PATCH] 8302779: HelidonAppTest.java fails with "assert(_cb ==
 CodeCache::find_blob(pc())) failed: Must be the same" or SIGSEGV

Reviewed-by: coleenp, sspitsyn
---
 src/hotspot/share/prims/jvmtiRedefineClasses.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
index b28a8c4a859..0c28d5aec12 100644
--- a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+++ b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
@@ -343,6 +343,10 @@ bool VM_RedefineClasses::is_modifiable_class(oop klass_mirror) {
   if (InstanceKlass::cast(k)->is_hidden()) {
     return false;
   }
+  if (InstanceKlass::cast(k) == vmClasses::Continuation_klass()) {
+    // Don't redefine Continuation class. See 8302779.
+    return false;
+  }
   return true;
 }