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[Ada] Fix to SCOs for SELECT alternatives with guard

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Thomas Quinot <quinot at adacore dot com>
Date: Mon, 23 Jul 2012 04:12:50 -0400
Subject: [Ada] Fix to SCOs for SELECT alternatives with guard

This change fixes incorrect source location indications in SCOs for decisions
corresponding to guard expressions in SELECT statements, which can cause
a crash in coverage analysis tools.

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

2012-07-23  Thomas Quinot  <quinot@adacore.com>

	* par_sco.adb (Process_Decisions.Output_Header): For the guard
	on an alternative in a SELECT statement, use the First_Sloc
	of the guard expression (not its topmost sloc) as the decision
	location, because this is what is referenced by dominance markers.

Attachment: difs
Description: Text document

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