Cause of weird thread-naming crashes was... shitty x64 port!

gistfile1.cpp

  typedef struct tagTHREADNAME_INFO 
  {
    DWORD	dwType;     // Must be 0x1000
    LPCSTR	szName;		// Pointer to name (in user address space)
    DWORD	dwThreadID; // Thread ID (-1 for caller thread)
    DWORD	dwFlags;    // Reserved for future use; must be zero
  } THREADNAME_INFO;

  static void setThreadName(DWORD dwThreadID, LPCSTR szThreadName )
  {
    THREADNAME_INFO info;
		
    info.dwType = 0x1000;
    info.szName = szThreadName;
    info.dwThreadID = dwThreadID;
    info.dwFlags = 0;
		
    __try
    {
  #ifdef FB_X64
      RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info );
      // ------------------------------------------------^^^^^^^^^ this was DWORD! but
      //                                                 the API counts pointer-sized arguments
      // 
  #else
      RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(DWORD), (DWORD *)&info );
  #endif
    }
    __except( EXCEPTION_CONTINUE_EXECUTION )
    {
    }
}