This pragma sets the diagnostic messages that have the specified
tags to Warning severity. Diagnostic messages are messages whose
message numbers are postfixed by
-D, for example,
#pragma diag_warning behaves analogously
#pragma diag_errors, except that the compiler
sets the diagnostic messages having the specified tags to Warning
severity rather than Error severity.
is a comma-separated list of diagnostic message numbers specifying the messages whose severities are to be changed.