Added FSHELL_[NO_]ARMCC_DIAG_SUPPRESS_SUPPORT.
The versions of RVCT that I'm using (2.2 build 616 and 2.2 build 686) don't appear to support --diag-supress.
EXPORTS
??0CVtcSerialConsole@@QAE@XZ @ 1 NONAME ; CVtcSerialConsole::CVtcSerialConsole(void)
??1CVtcSerialConsole@@UAE@XZ @ 2 NONAME ; CVtcSerialConsole::~CVtcSerialConsole(void)
?CancelInput@CVtcSerialConsole@@EAEXAAVTRequestStatus@@@Z @ 3 NONAME ; void CVtcSerialConsole::CancelInput(class TRequestStatus &)
?ConstructL@CVtcSerialConsole@@MAEXABVTDesC16@@@Z @ 4 NONAME ; void CVtcSerialConsole::ConstructL(class TDesC16 const &)
?Input@CVtcSerialConsole@@EAEXAAVTDes8@@AAVTRequestStatus@@@Z @ 5 NONAME ; void CVtcSerialConsole::Input(class TDes8 &, class TRequestStatus &)
?Output@CVtcSerialConsole@@EAEHABVTDesC8@@@Z @ 6 NONAME ; int CVtcSerialConsole::Output(class TDesC8 const &)