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[PATCH, middle-end]: Fix PR 19984; nan should be C99 built-in

From: "Uros Bizjak" <ubizjak at gmail dot com>
To: "gcc patches" <gcc-patches at gcc dot gnu dot org>
Date: Mon, 25 Feb 2008 12:22:01 +0100
Subject: [PATCH, middle-end]: Fix PR 19984; nan should be C99 built-in

Hello!

This patch implements nan as a C99 builtin.

2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/19984
	* builtins.def (BUILT_IN_NAN): Define as c99 builtin
	using DEF_C99_BUILTIN.
	(BUILT_IN_NANF): Ditto.
	(BUILT_IN_NANL): Ditto.

testsuite/ChangeLog:

2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/19984
	* gcc.dg/pr19984.c: New test.
	* gcc.dg/dfp/compare-special.h: Use _nan instead of nan as the
	name of the variable.

Patch was bootstrapped and regression tested on i686-pc-linux-gnu. OK
for mainline?

Uros.

Attachment: p.diff.txt
Description: Text document

Follow-Ups:
- Re: [PATCH, middle-end]: Fix PR 19984; nan should be C99 built-in
  - From: Richard Guenther

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