Update astutils.cpp

Author: chrchr-github

lib/astutils.cpp

@@ -2617,8 +2617,11 @@ bool isVariableChangedByFunctionCall(const Token *tok, int indirect, const Setti
     return false;
 }
 
-static bool hasOverloadedMemberAccess(const Token* varTok)
+static bool hasOverloadedMemberAccess(const Token* tok)
 {
+    if (!Token::simpleMatch(tok, ".))
+        return false;
+    const Token* varTok = tok->astOperand2();
     return !varTok || !varTok->variable() || !varTok->variable()->valueType() || varTok->variable()->valueType()->pointer == 0;
 }
 
@@ -2636,7 +2639,7 @@ bool isVariableChanged(const Token *tok, int indirect, const Settings &settings,
            (Token::simpleMatch(tok2->astParent(), ".") && !Token::Match(tok2->astParent()->astParent(), "[(,]")) ||
            (tok2->astParent() && tok2->astParent()->isUnaryOp("&") && Token::simpleMatch(tok2->astParent()->astParent(), ".") && tok2->astParent()->astParent()->originalName()=="->") ||
            (Token::simpleMatch(tok2->astParent(), "[") && tok2 == tok2->astParent()->astOperand1())) {
-        if (tok2->astParent() && (tok2->astParent()->isUnaryOp("*") || (astIsLHS(tok2) && tok2->astParent()->originalName() == "->" && !hasOverloadedMemberAccess(tok2->astOperand2()))))
+        if (tok2->astParent() && (tok2->astParent()->isUnaryOp("*") || (astIsLHS(tok2) && tok2->astParent()->originalName() == "->" && !hasOverloadedMemberAccess(tok2))))
             derefs++;
         if (derefs > indirect)
             break;