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[Ada] Fix inefficiency in Operator_Matches_Spec

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Eric Botcazou <ebotcazou at adacore dot com>
Date: Mon, 18 Apr 2016 05:21:06 -0400
Subject: [Ada] Fix inefficiency in Operator_Matches_Spec
Authentication-results: sourceware.org; auth=none

First_Formal is not as cheap as it used to be so this patch eliminates a few
redundant invocations in Operator_Matches_Spec.  No functional changes.

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

2016-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_type.adb (Operator_Matches_Spec): Call First_Formal on
	New_S only once at the beginning of the function.

Attachment: difs
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