PATCH for bounds-checking flags.

[Greg McGary]

Jeffrey A Law <law@cygnus.com> writes:

>   > +/* -fcheck-bounds causes gcc to generate array bounds checks.
>   > +   For C, C++: defaults to value of flag_bounded_pointers.
>   > +   For ObjC: defaults to off.
>   > +   For Java: defaults to on.
>   > +   For Fortran: defaults to off.
>   > +   For CHILL: defaults to off.  */
>   > +extern int flag_bounds_check;
> I'd ping the Java folks before turning it on.  Even if it's part of the
> language, they may want to give the implementation a little time to mature
> before they turn it on by default.

I'm only preserving existing behavior.  Java already has it "on" by
default.  Alexandre Petit-Bianco already sent me a message that Java
changes were OK.

> Otherwise it looks fine.  Consider it approved once you fix up the minor
> issues above.  

Thanks!