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[Ada] Minor tweak to expanded code for transient objects

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Eric Botcazou <botcazou at adacore dot com>
Date: Tue, 17 Jul 2012 06:15:00 -0400
Subject: [Ada] Minor tweak to expanded code for transient objects

This change makes it so that the finalization blocks generated for controlled
transient objects, as well the final raise statement, are all wrapped into a
block, so as to make it easier for the back-end to understand the construct.

No functional changes.

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

2012-07-17  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch7.adb (Process_Transient_Objects): Put all the
	finalization blocks and the final raise statement into a wrapper
	block.

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