https://issues.dlang.org/show_bug.cgi?id=15629
--- Comment #1 from Ivan Kazmenko <[email protected]> --- Here is the relevant disassembly of the object file produced 2.070.0: ----- __Dmain PROC NEAR ; COMDEF __Dmain sub esp, 44 ; 0000 _ 83. EC, 2C mov eax, 3 ; 0003 _ B8, 00000003 mov ecx, 1 ; 0008 _ B9, 00000001 mov dword ptr [esp+0CH], ebx ; 000D _ 89. 5C 24, 0C mov edx, offset FLAT:_D11TypeInfo_Ai6__initZ; 0011 _ BA, 00000000(segrel) mov dword ptr [esp+10H], esi ; 0016 _ 89. 74 24, 10 mov dword ptr [esp+18H], eax ; 001A _ 89. 44 24, 18 mov dword ptr [esp+4H], ecx ; 001E _ 89. 4C 24, 04 mov dword ptr [esp], edx ; 0022 _ 89. 14 24 call __d_arrayliteralTX ; 0025 _ E8, 00000000(rel) mov ebx, eax ; 002A _ 89. C3 mov eax, dword ptr [esp+18H] ; 002C _ 8B. 44 24, 18 mov dword ptr [ebx], eax ; 0030 _ 89. 03 mov dword ptr [esp+20H], ebx ; 0032 _ 89. 5C 24, 20 mov dword ptr [esp+1CH], 1 ; 0036 _ C7. 44 24, 1C, 00000001 mov dword ptr [esp+4H], 1 ; 003E _ C7. 44 24, 04, 00000001 mov dword ptr [esp], offset FLAT:_D11TypeInfo_Ai6__initZ; 0046 _ C7. 04 24, 00000000(segrel) call __d_arrayliteralTX ; 004D _ E8, 00000000(rel) mov esi, dword ptr [esp+20H] ; 0052 _ 8B. 74 24, 20 mov edx, dword ptr [esp+14H] ; 0056 _ 8B. 54 24, 14 mov dword ptr [eax], 9 ; 005A _ C7. 00, 00000009 mov dword ptr [esp+28H], eax ; 0060 _ 89. 44 24, 28 mov eax, dword ptr [esi] ; 0064 _ 8B. 06 mov ecx, eax ; 0066 _ 89. C1 sar ecx, 31 ; 0068 _ C1. F9, 1F xor eax, ecx ; 006B _ 33. C1 sub eax, ecx ; 006D _ 2B. C1 mov dword ptr [esp+24H], 1 ; 006F _ C7. 44 24, 24, 00000001 cmp edx, 3 ; 0077 _ 83. FA, 03 jz ?_0056 ; 007A _ 74, 2E push eax ; 007C _ 50 mov ecx, offset FLAT:?_0001 ; 007D _ B9, 00000000(segrel) mov ebx, 1 ; 0082 _ BB, 00000001 push ecx ; 0087 _ 51 push ebx ; 0088 _ 53 push dword ptr [esp+2CH] ; 0089 _ FF. 74 24, 2C push dword ptr [esp+2CH] ; 008D _ FF. 74 24, 2C push ecx ; 0091 _ 51 push ebx ; 0092 _ 53 push dword ptr [esp+44H] ; 0093 _ FF. 74 24, 44 push dword ptr [esp+44H] ; 0097 _ FF. 74 24, 44 call _D3std5stdio28__T7writelnTiTAyaTAiTAyaTAiZ7writelnFNfiAyaAiAyaAiZv; 009B _ E8, 00000000(rel) mov eax, 12 ; 00A0 _ B8, 0000000C call _D10testmodule8__assertFiZv ; 00A5 _ E8, 00000000(rel) ?_0056: mov ebx, dword ptr [esp+0CH] ; 00AA _ 8B. 5C 24, 0C mov esi, dword ptr [esp+10H] ; 00AE _ 8B. 74 24, 10 add esp, 44 ; 00B2 _ 83. C4, 2C xor eax, eax ; 00B5 _ 31. C0 ret ; 00B7 _ C3 __Dmain ENDP ----- Looks like these lines are responsible: ----- mov dword ptr [esp+18H], eax ; 001A ... mov edx, dword ptr [esp+14H] ; 0056 ... cmp edx, 3 ; 0077 jz ?_0056 ; 007A ----- I don't understand why the line at 0056 uses "dword ptr [esp+14H]" and not "dword ptr [esp+18H]". (Disclaimer: I'm not fluent in asm.) --
