This option sets diagnostic messages that have the specified tags to warning severity.
--diag_warning option behaves analogously
--diag_errors, except that the compiler sets the
diagnostic messages having the specified tags to warning severity
rather than error severity.
This option has the
For some diagnostic message numbers in the range 3000-3100, the same number can refer to two unrelated messages. ARM will address this in a future release. If you use this option, specifying such a number, it affects both messages.