--- old/src/share/vm/opto/callnode.hpp	2021-01-25 19:30:42.542906877 +0000
+++ new/src/share/vm/opto/callnode.hpp	2021-01-25 19:30:42.411905500 +0000
@@ -896,6 +896,20 @@
 
   // Convenience for initialization->maybe_set_complete(phase)
   bool maybe_set_complete(PhaseGVN* phase);
+
+#ifdef AARCH64
+  // Return true if allocation doesn't escape thread, its escape state
+  // needs be noEscape or ArgEscape. InitializeNode._does_not_escape
+  // is true when its allocation's escape state is noEscape or
+  // ArgEscape. In case allocation's InitializeNode is NULL, check
+  // AlllocateNode._is_non_escaping flag.
+  // AlllocateNode._is_non_escaping is true when its escape state is
+  // noEscape.
+  bool does_not_escape_thread() {
+    InitializeNode* init = NULL;
+    return _is_non_escaping || (((init = initialization()) != NULL) && init->does_not_escape());
+  }
+#endif
 };
 
 //------------------------------AllocateArray---------------------------------