--- old/src/cpu/x86/vm/stubGenerator_x86_64.cpp	2016-03-29 16:10:29.000000000 -0500
+++ new/src/cpu/x86/vm/stubGenerator_x86_64.cpp	2016-03-29 16:10:29.000000000 -0500
@@ -2720,7 +2720,7 @@
     {
       BLOCK_COMMENT("assert primitive array {");
       Label L;
-      __ cmpl(rax_lh, (Klass::_lh_array_tag_type_value << Klass::_lh_array_tag_shift));
+      __ cmpl(rax_lh, ((juint)Klass::_lh_array_tag_type_value << Klass::_lh_array_tag_shift));
       __ jcc(Assembler::greaterEqual, L);
       __ stop("must be a primitive array");
       __ bind(L);