diff -r f5c0793f2dc1 -r b0b20413d853 src/hotspot/share/opto/loopnode.hpp
--- a/src/hotspot/share/opto/loopnode.hpp	Wed May 15 13:54:43 2019 +0530
+++ b/src/hotspot/share/opto/loopnode.hpp	Wed May 15 11:53:47 2019 +0200
@@ -1384,7 +1384,8 @@
     uint required = _nodes_required;
     require_nodes_final();
     uint delta = C->live_nodes() - live_at_begin;
-    assert(delta <= 2 * required, "Bad node estimate (actual: %d, request: %d)",
+    // Assert is disabled, see JDK-8223911 and related issues.
+    assert(true || delta <= 2 * required, "Bad node estimate (actual: %d, request: %d)",
            delta, required);
   }