src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp

@@ -707,11 +707,11 @@
 #ifdef ASSERT
           // assert object can be fast path allocated
           {
             Label ok, not_ok;
             __ ldrw(obj_size, Address(klass, Klass::layout_helper_offset()));
-            __ cmp(obj_size, 0u);
+            __ cmp(obj_size, (unsigned char)0);
             __ br(Assembler::LE, not_ok);  // make sure it's an instance (LH > 0)
             __ tstw(obj_size, Klass::_lh_instance_slow_path_bit);
             __ br(Assembler::EQ, ok);
             __ bind(not_ok);
             __ stop("assert(can be fast path allocated)");