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[Ada] Inlining null procedures

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Ed Schonberg <schonberg at adacore dot com>
Date: Mon, 20 Apr 2009 10:19:04 +0200
Subject: [Ada] Inlining null procedures

With this patch, calls to null procedures are inlined unconditionally, including
when the call happens within a unit in the context, and not in the main code
unit. This makes the generated trees of a spec identical in both cases, which
benefits static analysis tools.

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

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Is_Null_Procedure): predicate is global, so that calls
	to null procedures can be inlined unconditionally.

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