Use RVCT assembler for __crash() when running armcc with the --gnu option. Fix for bug 2742.
EXPORTS
_ZN8Debugger12DebuggerInfoEv @ 1 NONAME ; Debugger::DebuggerInfo()
_ZN8Debugger7InstallEP13DDebuggerInfo @ 2 NONAME ; Debugger::Install(DDebuggerInfo*)
_ZN8Debugger7VersionEv @ 3 NONAME ; Debugger::Version()