void bugMessage(Throwable ex){
  log.printLines(PrefixKind.JAVAC,"msg.bug",JavaCompiler.version());
  ex.printStackTrace(log.getWriter(WriterKind.NOTICE));
}

void bugMessage ( Throwable ex ) { log . printLines ( PrefixKind . JAVAC , "msg.bug" , JavaCompiler . version ( ) ) ; ex . printStackTrace ( log . getWriter ( WriterKind . NOTICE ) ) ; }
print a message reporting an internal error .
