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PR cpp/7263 __extension__ doesn't suppress warning on LL or ULL constants

This patch fixes part of PR7263 and it also fixes __extension__ to
work on CPP diagnostics (for the C front-end at least).

Bootstrapped and regression tested on x86_64-unknown-linux-gnu with
--enable-languages=all,ada

OK for trunk?

2008-08-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR cpp/7263
	* c-opts.c (cpp_opts): Remove static.
	* c-parser.c (cpp_opts): Declare it extern.
	(disable_extension_diagnostics): Handle cpp options.
	(enable_extension_diagnostics): Likewise.
testsuite/
	* gcc.dg/cpp/pr7263-2.c: New.
	* gcc.dg/cpp/pr7263-2.h: New.

Attachment: fix-pr7263-2.diff
Description: Text document

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