fix

Author: ludviggunne

lib/checkunusedvar.cpp

@@ -1265,9 +1265,41 @@ void CheckUnusedVar::checkFunctionVariableUsage()
             if (isIncrementOrDecrement && tok->astParent() && precedes(tok, tok->astOperand1()))
                 continue;
 
-            if (tok->str() == "=" && !(tok->valueType() && tok->valueType()->pointer) && isRaiiClass(tok->valueType(), tok->isCpp(), false))
+            const auto raiiNonPtr = [](const Token *tok) {
+                return !(tok->valueType() && tok->valueType()->pointer) && isRaiiClass(tok->valueType(), tok->isCpp(), false);
+            };
+
+            if (tok->str() == "=" && raiiNonPtr(tok))
                 continue;
 
+            if (Token::Match(tok, "%var% {") && tok->next()->isCpp11init() == Token::Cpp11init::CPP11INIT) {
+                const Token *child = tok->next()->astOperand2();
+                bool hasRaiiMember = false;
+
+                while (child) {
+                    const Token *entry = nullptr;
+                    if (Token::simpleMatch(child, ",")) {
+                        entry = child->astOperand1();
+                        child = child->astOperand2();
+                    } else {
+                        entry = child;
+                    }
+
+                    if (raiiNonPtr(entry)) {
+                        hasRaiiMember = true;
+                        break;
+                    }
+
+                    if (entry == child) {
+                        break;
+                    }
+                }
+
+                if (hasRaiiMember) {
+                    continue;
+                }
+            }
+
             const bool isPointer = tok->valueType() && (tok->valueType()->pointer || tok->valueType()->type == ValueType::SMART_POINTER);
 
             if (tok->isName()) {