[SYCL][LIT] SYCL-Unit :: Extensions/./ExtensionsTests.exe/0/110' failing flakily on Windows

[uditagarwal97]

Describe the bug

Example: https://github.com/intel/llvm/actions/runs/16604718312/job/46973428654#step:13:306

Exception Code: 0xC0000005

#0 0x00007ff6562b6c38 sycl::_V1::detail::adapter_impl::call_nocheck D:\github\actions-runner\_work\llvm\llvm\src\sycl\source\detail\adapter_impl.hpp:125:0

#1 0x00007ff6562b6c38 sycl::_V1::detail::device_impl::~device_impl(void) D:\github\actions-runner\_work\llvm\llvm\src\sycl\source\detail\device_impl.cpp:42:0

#2 0x00007ff656444cd2 std::_Ref_count_base::_Decwref C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.43.34808\include\memory:1166:0

#3 0x00007ff656444cd2 std::_Ref_count_base::_Decref C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.43.34808\include\memory:1161:0

#4 0x00007ff656444cd2 std::_Ptr_base<sycl::_V1::detail::device_impl>::_Decref C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.43.34808\include\memory:1377:0

#5 0x00007ff656444cd2 std::shared_ptr<sycl::_V1::detail::device_impl>::~shared_ptr C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.43.34808\include\memory:1682:0

#6 0x00007ff656444cd2 sycl::_V1::device::~device D:\github\actions-runner\_work\llvm\llvm\build\include\sycl\device.hpp:66:0

#7 0x00007ff656444cd2 `dynamic atexit destructor for 'current_device' D:\github\actions-runner\_work\llvm\llvm\build\include\sycl\ext\oneapi\experimental\current_device.hpp:19:0

#8 0x00007ff6565674df __dyn_tls_dtor D:\a\_work\1\s\src\vctools\crt\vcstartup\src\tls\tlsdtor.cpp:119:0

#9 0x00007ff8fe56af70 (C:\WINDOWS\System32\ucrtbase.dll+0x4af70)

#10 0x00007ff8fe56aedb (C:\WINDOWS\System32\ucrtbase.dll+0x4aedb)

#11 0x00007ff8fe5c003a (C:\WINDOWS\System32\ucrtbase.dll+0xa003a)

#12 0x00007ff65656790f __scrt_common_main_seh D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:295:0

#13 0x00007ff8fffce8d7 (C:\WINDOWS\System32\KERNEL32.DLL+0x2e8d7)

#14 0x00007ff90099c34c (C:\WINDOWS\SYSTEM32\ntdll.dll+0x3c34c)

To reproduce

No response

Environment

• OS: Windows

Additional context

No response

[uditagarwal97]

@aelovikov-intel Could this failure be related to #19613 ? That seems to be the closest change in device_impl ownership since we start seeing this error in post commit.

[aelovikov-intel]

Hmm, maybe, although weird. Hopefully the change in #19629 will address that.