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[Ada] relax handling of pragma Pack for code analysis

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Date: Thu, 23 Jul 2009 14:42:50 +0200
Subject: [Ada] relax handling of pragma Pack for code analysis

In the context of static code analysis, we do not need complex front-end
expansions related to pragma Pack, so disable handling of pragma Pack
and Implicit_Packing in this case.

Tested on x86_64-pc-linux-gnu, committed on trunk

2009-07-23  Arnaud Charlet  <charlet@adacore.com>

	* freeze.adb (Set_Small_Size): Remove extra space for consistency with
	other similar messages.
	* sem_prag.adb (Freeze_Record_Type, Freeze_Entity): Disable error
	messages/implicit packing in CodePeer mode.
	(Analyze_Pragma [case pragma Pack]): Ignore pragma in CodePeer mode.
	* errout.adb (Special_Msg_Delete): Suppress 'size too small' message in
	CodePeer mode.

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