Additional GCC warnings?

[David Taylor <dtaylor at emc dot com>]

EMC has, in house, added several new warnings to GCC.  Are people
generally in favor of adding new warnings to GCC?  If yes, then
assuming the implementation/etc is acceptable, which of the following
would people be interested in seeing patches for?

-Waggregate-passed-by-value / -Wno-aggregate-passed-by-value

    Warn if an aggregate parameter is passed by value rather than
    by reference.

-Wenum-mismatch / -Wno-enum-mismatch

    Warn when value assigned to a variable of an enumeral type doesn't
    correspond to an enumerator

-Wprecision-mismatch / -Wno-precision-mismatch

    Warn when the precision of the destination is smaller than
    the precision of the source.

-Winclude-depth-exceeds=<n>

    Warn if the number of nested levels of #include'd files exceeds
    <n>.  Warning can be suppressed by #pragma include_depth_check_off
    and re-enabled by #pragma include_depth_check_on.

-Wpointer-cast-to-signed / -Wno-pointer-cast-to-signed

    Warn about any casting of pointer type data to a signed entity

There are probably others, too.  But, the above is a start.

Later,

David
--
David Taylor
dtaylor at emc dot com