[Bug 8230] New: cmd.exe handles 'if a==b ()' construct incorrectly

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=8230

Summary: cmd.exe handles 'if a==b ()' construct incorrectly
           Product: Wine
           Version: CVS
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Keywords: Installer
          Severity: normal
          Priority: P2
         Component: wine-programs
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

The mfc40 installer at

http://download.microsoft.com/download/sql65/Patch/6.5/WIN98/EN-US/MFC40i.ex...

runs a batch script that exposes a bug in Wine's cmd.exe. I will attach
a reduced test case.