src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp

*** 707,717 ****
  #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);
              __ 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)");
--- 707,717 ----
  #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, (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)");