@swift-ci create

Interesting, can you provide a stack trace as well? It seems odd that this would fail given that there are tests running in CI.

Comment by Yassine BENABBAS (JIRA)

Here is what I get from Visual Studio when I select the "debug" option in the crash window:

Exception non gérée à 0x00007FF99CD5287E (ucrtbase.dll) dans main.exe : Fermeture de programme requise suite à une erreur irrécupérable.

Translation:

Unhandled exception at 0x00007FF99CD5287E (ucrtbase.dll) in main.exe: Required program closed due to a fatal error.

Stack trace

Modules

LLDB

Here is the stack trace that I get with LLDB:

➜ swift  lldb .\main.exe
(lldb) target create ".\\main.exe"
Current executable set to 'D:\swift\main.exe' (x86_64).
(lldb) r
Process 20024 launched: 'D:\swift\main.exe' (x86_64)
Process 20024 stopped
* thread #​1, stop reason = Exception 0xc0000409 encountered at address 0x7ff99cd5287e
    frame #​0: 0x00007ff99cd5287e ucrtbase.dll`abort + 78
ucrtbase.dll`abort:
->  0x7ff99cd5287e <+78>: int    $0x29
    0x7ff99cd52880 <+80>: movl   $0x40000015, %edx         ; imm = 0x40000015        
    0x7ff99cd52885 <+85>: movl   $0x3, %ecx
    0x7ff99cd5288a <+90>: callq  0x7ff99cd50f30            ; _getpid + 16
Target 0: (main.exe) stopped.

Okay, even the most cursory look would have identified this as a result of ewilde's explicit `abort` on Windows introduced in 13cc56b.

I think that #35577 will help with the abort - but won't really help with the scheduling of the async task. Because libdispatch is not linked against explicitly, I cannot imagine that we have the ability to have scheduled something on the dispatch queue. That will still need to be resolved before the async operation can execute.

I'll hopefully remember to upload the second diff tomorrow to actually get something executing (I have that but its dependent on the previous patch).

Comment by Yassine BENABBAS (JIRA)

Great news 🙂. Thanks

#35584 is the second half, and with that, the test actually succeeds in printing the two strings.

Comment by Yassine BENABBAS (JIRA)

Thank you very much 👍. I'm looking forward to try it.

You're welcome - thank you for reporting the issue in the first place!

Comment by Yassine BENABBAS (JIRA)

You're welcome