; Assembly listing for method FrameRequestHeaders:AppendNonPrimaryHeaders(long,int,int,ref):this
...
; Lcl frame size = 888

G_M22131_IG01:
       57                   push     rdi
       56                   push     rsi
       4881EC78030000       sub      rsp, 888
       488BF1               mov      rsi, rcx
       488D7C2420           lea      rdi, [rsp+20H]
       B9D6000000           mov      ecx, 214
       33C0                 xor      rax, rax
       F3AB                 rep stosd 
....