; fun(a + b)
0040215F      CC            INT3
00402160      8D85 C8F9FFFF LEA EAX,[EBP-638]
00402166      50            PUSH EAX
00402167      8D85 D8FBFFFF LEA EAX,[EBP-428]
0040216D      50            PUSH EAX
0040216E      8D85 B8F7FFFF LEA EAX,[EBP-848]
00402174      E8 C7060000   CALL 00402840           ; opAdd(ref const A a)
00402179      89C3          MOV EBX,EAX             ; pointer to the result
0040217B      B9 81000000   MOV ECX,81
00402180      81C3 00020000 ADD EBX,200
00402186      FF33          PUSH DWORD PTR DS:[EBX] ; ! COPY of the result !
00402188      83EB 04       SUB EBX,4
0040218B      E2 F9         LOOP SHORT 00402186
0040218D      E8 BAFEFFFF   CALL 0040204C           ;func(const A a)

; fun(A())
00402192      CC            INT3
00402193      68 39050000   PUSH 539
00402198      B9 81000000   MOV ECX,81
0040219D      31C0          XOR EAX,EAX
0040219F      8DBD E8FDFFFF LEA EDI,[EBP-218]
004021A5      F3:AB         REP STOS DWORD PTR ES:[EDI]
004021A7      8D85 E8FDFFFF LEA EAX,[EBP-218]
004021AD      E8 5EFEFFFF   CALL 00402010            ; ctor()
004021B2      89C3          MOV EBX,EAX
004021B4      B9 81000000   MOV ECX,81
004021B9      81C3 00020000 ADD EBX,200
004021BF      FF33          PUSH DWORD PTR DS:[EBX]  ; ! COPY of the struct !
004021C1      83EB 04       SUB EBX,4
004021C4      E2 F9         LOOP SHORT 004021BF
004021C6      E8 81FEFFFF   CALL 0040204C            ;func(const A a)

; fun(a)
004021CB      8D85 B8F7FFFF LEA EAX,[EBP-848]
004021D1      E8 06FFFFFF   CALL 004020DC            ;func(ref const A a)