This option sets diagnostic messages that have the specified tags to warning severity.
The --diag_warning option behaves analogously
to --diag_errors, except that the compiler sets the
diagnostic messages having the specified tags to warning severity
rather than error severity.
Note
This option has the #pragma equivalent #pragma
diag_warning.
Syntax--diag_warning=tag[,tag,...]
Where tag
a diagnostic message number to set to warning severity
error, to downgrade the severity of all downgradeable errors to warnings.
--diag_warning=A1234,error causes message A1234 and
all downgradeable errors to be treated as warnings, providing changing
the severity of A1234 is permitted.
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