Compile with jdk-20+20

Author: caizixian

mmtk/Cargo.toml

@@ -17,7 +17,7 @@ lto = true
 [package.metadata.openjdk]
 # Our CI matches the following line and extract mmtk/openjdk. If this line is updated, please check ci yaml files and make sure it works.
 openjdk_repo = "https://github.com/caizixian/jdk-mmtk.git"
-openjdk_version = "e6c607ee6cae86a54cb5f061ddbd29585a517fe0"
+openjdk_version = "9efdbe4fe8cc1b7e5dc6afc157bcbe11f295af44"
 
 [dependencies]
 libc = "0.2"

openjdk/share/mmtkBarrierSetC2.cpp

@@ -415,7 +415,7 @@ void MMTkBarrierSetC2::expand_allocate(PhaseMacroExpand* x,
       int size = TypeFunc::Parms + 2;
       CallLeafNode *call = new CallLeafNode(OptoRuntime::dtrace_object_alloc_Type(),
                                             CAST_FROM_FN_PTR(address,
-                                            static_cast<int (*)(Thread*, oopDesc*)>(SharedRuntime::dtrace_object_alloc)),
+                                            static_cast<int (*)(JavaThread*, oopDesc*)>(SharedRuntime::dtrace_object_alloc)),
                                             "dtrace_object_alloc",
                                             TypeRawPtr::BOTTOM);