From 2582bbd0f6bb43232a97051cdc4aab55c828e3bb Mon Sep 17 00:00:00 2001
From: Dmitry-Me <wipedout@yandex.ru>
Date: Thu, 24 Aug 2017 18:10:33 +0300
Subject: [PATCH] Break loop early

---
 lib/checkunusedvar.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/checkunusedvar.cpp b/lib/checkunusedvar.cpp
index f5d331589..5530cea10 100644
--- a/lib/checkunusedvar.cpp
+++ b/lib/checkunusedvar.cpp
@@ -979,8 +979,10 @@ void CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(const Scope* const
             {
                 const Token *parent = tok->astParent();
                 while (parent) {
-                    if (Token::simpleMatch(parent->previous(), "while ("))
+                    if (Token::simpleMatch(parent->previous(), "while (")) {
                         inwhile = true;
+                        break;
+                    }
                     parent = parent->astParent();
                 }
             }