PATCH to implement `restrict' in C

[Ulrich Drepper]

nathan@acm.org (Nathan Sidwell) writes:

> Just a thought, should we (eventually) allow g++ to parse C9X header
> files?

This is not necessary.  If a header which uses ISO C 9x extensions is
used when compiling C++ the extension simply must be hidden.  E.g., in
glibc we have already __restrict in many prototypes.  If the headers
are used in C++ programs __restrict is simply defined to an empty
string.

The compiler should never have to be changed for this.  It's the
header which is wrong if an error occurs.

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