--- Raw source ---
() {

    return a;

}


--- Optimized code ---
kind = OPTIMIZED_FUNCTION
name = arr
stack_slots = 1
Instructions (size = 58)
1F932F20     0  55             push ebp
1F932F21     1  89e5           mov ebp,esp
1F932F23     3  56             push esi
1F932F24     4  57             push edi
1F932F25     5  6a00           push 0x0
                  ;;; <@0,#0> -------------------- B0 --------------------
                  ;;; <@2,#1> context
1F932F27     7  8b75fc         mov esi,[ebp-4]
                  ;;; <@8,#7> -------------------- B1 --------------------
                  ;;; <@10,#9> stack-check
1F932F2A    10  3b2518496c00   cmp esp,[0x006c4918]
1F932F30    16  7305           jnc 23  (1F932F37)
1F932F32    18  e8498afeff     call StackCheck  (1F91B980)    ;; code: BUILTIN
                  ;;; <@12,#10> constant-t
1F932F37    23  8b050c869025   mov eax,[0x2590860c]          ;; property cell
                  ;;; <@14,#12> return
1F932F3D    29  89ec           mov esp,ebp
1F932F3F    31  5d             pop ebp
1F932F40    32  c20400         ret 0x4
1F932F43    35  90             nop
1F932F44    36  90             nop
1F932F45    37  90             nop
1F932F46    38  90             nop
1F932F47    39  90             nop