[Issue 22791] New: std\socket.d(790) Heisenbug random failure

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22791

          Issue ID: 22791
           Summary: std\socket.d(790) Heisenbug random failure
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Windows
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: bugzilla at digitalmars.com

Randomly appears in Azure Windows_DMD_latest x64

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core.exception.AssertError at std\socket.d(790): unittest failure
----------------
0x00007FF6D72A17F8 in d_unittestp
0x00007FF6D68A8F8F in std.socket.__unittest_L773_C7 at
D:\a\1\phobos\std\socket.d(791)
0x00007FF6D68B8CBC in void std.socket.__modtest()
0x00007FF6D72C5159 in int
core.runtime.runModuleUnitTests().__foreachbody2(object.ModuleInfo*)
0x00007FF6D72BD847 in int object.ModuleInfo.opApply(scope int
delegate(object.ModuleInfo*)).__lambda2(immutable(object.ModuleInfo*))
0x00007FF6D72C87C4 in int rt.minfo.moduleinfos_apply(scope int
delegate(immutable(object.ModuleInfo*))).__foreachbody2(ref
rt.sections_win64.SectionGroup)
0x00007FF6D72C872F in int rt.minfo.moduleinfos_apply(scope int
delegate(immutable(object.ModuleInfo*)))
0x00007FF6D72BD807 in int object.ModuleInfo.opApply(scope int
delegate(object.ModuleInfo*))
0x00007FF6D72C4FA3 in runModuleUnitTests
0x00007FF6D72B8F85 in void rt.dmain2._d_run_main2(char[][], ulong, extern (C)
int function(char[][])*).runAll()
0x00007FF6D72B8EDF in void rt.dmain2._d_run_main2(char[][], ulong, extern (C)
int function(char[][])*).tryExec(scope void delegate())
0x00007FF6D72B8CC6 in d_run_main2
0x00007FF6D7299039 in d_run_main
0x00007FF6D4D6EC42 in unittest._d_cmain!().main at
D:\a\1\phobos\../druntime\import\core\internal\entrypoint.d(30)
0x00007FF6D7396B58 in __scrt_common_main_seh at
d:\a01\_work\12\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl(288)
0x00007FF952437974 in BaseThreadInitThunk
0x00007FF953CFA2F1 in RtlUserThreadStart
1/133 modules FAILED unittests

--- errorlevel 1

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