[Bug 20922] New: Wine generates invalid ARB vertex programs

http://bugs.winehq.org/show_bug.cgi?id=20922

Summary: Wine generates invalid ARB vertex programs
           Product: Wine
           Version: 1.1.34
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Created an attachment (id=25082)
 --> (http://bugs.winehq.org/attachment.cgi?id=25082)
Assassin's Creed game output, the bad program starts at line 979

When emulating sin/cos instructions in vertex programs, lines like these are
created:
MUL TA.x, R0.x, C4.w.w;
MAD TA.x, TA.y, C4.w.x, TA.x;

The problem is the double swizzle (i.e. C4.w.w C4.w.x).