Why filling AA in shared library freezes execution?

[Siemargl]

On Thursday, 28 January 2021 at 12:42:09 UTC, Siemargl wrote:
> Update. Something is broken in DLL support in druntime for Win7.
>
> I take previous working in Win10 binary and try run it in 
> virtual Windows 7 SP1 x64.
> Got this
> C:\Proj\dtest>test_dll_exe.exe
>
> object.Exception at test_dll_exe.d(7): Enforcement failed
> ----------------
> 0x00000001400013A3
> 0x00000001400012CC
> 0x0000000140001074
> 0x0000000140004123
> 0x0000000140003FAC
> 0x000000014000408B
> 0x0000000140003FAC
> 0x0000000140003EF3
> 0x00000001400019D0
> 0x0000000140001114
> 0x000000014002F60E
> 0x00000000771359CD in BaseThreadInitThunk
> 0x000000007736A561 in RtlUserThreadStart
>
> Then i modify program, just removing DLL, copying TestFun() in 
> main module and it runs.
> Same compiler -m64 target.

Ups. Sorry, I just forget copy test_dll.dll inside VM :-)

So, program runs in Win7, but hangs after printing i:64511