[Bug 51076] New: demangle_datatype in ucrtbase crash in vc2019 x86 mode

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51076

Bug ID: 51076
           Summary: demangle_datatype in ucrtbase crash in vc2019 x86 mode
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: msvcrt
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 69939
  --> https://bugs.winehq.org/attachment.cgi?id=69939
missed null check

demangle_datatype in ucrtbase crash in vc2019 x86 mode when compile some cpp
files
THe root cause is a missed null check.