From 85496cfadc84ba94487fb303ee70326a15f5d49e Mon Sep 17 00:00:00 2001
From: orbitcowboy <ettl.martin78@gmail.com>
Date: Fri, 23 May 2014 18:11:44 +0200
Subject: [PATCH] Fixed CID 1192595: Dereference null return value in
 checkother.

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

diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index 862dc1036..f9a90e61a 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -3169,8 +3169,10 @@ static bool constructorTakesReference(const Scope * const classScope)
         if (func->isConstructor()) {
             const Function &constructor = *func;
             for (std::size_t argnr = 0U; argnr < constructor.argCount(); argnr++) {
-                if (constructor.getArgumentVar(argnr)->isReference())
+                const Variable * const argVar = constructor.getArgumentVar(argnr);
+                if (argVar && argVar->isReference()) {
                     return true;
+                }
             }
         }
     }