--- a/src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp	Sat May 05 22:19:19 2018 +0200
+++ b/src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp	Sun May 06 00:42:59 2018 +0200
@@ -918,6 +918,8 @@
   // rmethod: Method*
   // r13: senderSP must preserve for slow path, set SP to it on fast path
 
+  // LR is live.  It must be saved around calls.
+
   address entry = __ pc();
 
   const int referent_offset = java_lang_ref_Reference::referent_offset;