[15]RFR(XXS): 8247660: 12 Uninitialised variable in 1 files

[Markus Gronlund]

Greetings,

Please review this small fix to ensure a local variable is initialized.

Bug: https://bugs.openjdk.java.net/browse/JDK-8247660

diff --git a/src/hotspot/share/jfr/utilities/jfrConcurrentLinkedListHost.inline.hpp b/src/hotspot/share/jfr/utilities/jfrConcurrentLinkedListHost.inline.hpp
--- a/src/hotspot/share/jfr/utilities/jfrConcurrentLinkedListHost.inline.hpp
+++ b/src/hotspot/share/jfr/utilities/jfrConcurrentLinkedListHost.inline.hpp
@@ -63,8 +63,8 @@
   assert(head != NULL, "invariant");
   assert(tail != NULL, "invariant");
   assert(head != tail, "invariant");
+  Node* predecessor_next = NULL;
   while (true) {
-    Node* predecessor_next;
     Node* current = head;
     version_handle.checkout();
     assert(version_handle.is_tracked(), "invariant");

Thanks
Markus