[Bug 49771] New: Segfault running exception tests

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49771

Bug ID: 49771
           Summary: Segfault running exception tests
           Product: Wine
           Version: 5.16
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 68085
  --> https://bugs.winehq.org/attachment.cgi?id=68085
Valgrind output

Steps to reproduce:

* Check out wine-5.16 and build.  Configure output attached.
* cd dlls/ntdll/tests
* ../../../loader/wine ./ntdll_test.exe.so exception

Attached valgrind output.