--- a/src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp	Mon Sep 24 18:44:39 2018 +0200
+++ b/src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp	Mon Sep 24 18:19:46 2018 +0100
@@ -557,7 +557,7 @@
         BasicType type) {
     address entry = __ pc();
   switch (type) {
-  case T_BOOLEAN: __ uxtb(r0, r0);        break;
+  case T_BOOLEAN: __ c2bool(r0);         break;
   case T_CHAR   : __ uxth(r0, r0);       break;
   case T_BYTE   : __ sxtb(r0, r0);        break;
   case T_SHORT  : __ sxth(r0, r0);        break;