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[Ada] Fix problem of infinite loop on bad wide character

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Robert Dewar <dewar at adacore dot com>
Date: Fri, 1 Aug 2008 10:04:30 +0200
Subject: [Ada] Fix problem of infinite loop on bad wide character

The spec of Error_Illegal_Wide_Character says that it bumps the scan
pointer, but that was not being done, resulting in infinite loops on
bad wide characters.

Tested on i686-pc-linux-gnu, committed on trunk

2008-08-01  Robert Dewar  <dewar@adacore.com>

	* scng.adb (Error_Illegal_Wide_Character): Bump scan pointer

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