From 809cec2b58576bd512ebdd1db6ffa38e25f69544 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Fri, 27 Nov 2020 12:06:59 +0100
Subject: [PATCH] Fix crashes when Variable::valueType is nullptr, this can
 happen when decltype(unknown type) is used.

---
 lib/checkother.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index e264cbf82..7ae70da23 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -1265,7 +1265,7 @@ void CheckOther::checkPassByReference()
 
         bool inconclusive = false;
 
-        if (var->valueType()->type == ValueType::Type::CONTAINER) {
+        if (var->valueType() && var->valueType()->type == ValueType::Type::CONTAINER) {
         } else if (var->type() && !var->type()->isEnumType()) { // Check if type is a struct or class.
             // Ensure that it is a large object.
             if (!var->type()->classScope)