--- old/src/hotspot/cpu/aarch64/assembler_aarch64.cpp	2019-06-10 14:25:39.274238301 +0100
+++ new/src/hotspot/cpu/aarch64/assembler_aarch64.cpp	2019-06-10 14:25:39.026235784 +0100
@@ -1265,6 +1265,13 @@
       __ movptr(r, (uint64_t)target());
     break;
   }
+  case post: {
+    // Post-indexed, just copy the contents of the register. Offset added afterwards.
+    if (_base == r) // it's a nop
+      break;
+    __ mov(r, _base);
+    break;
+  }
   default:
     ShouldNotReachHere();
   }