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astutils.cpp: perform lighter checks first in isMutableExpression() #6623

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Jul 21, 2024
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astutils.cpp: perform lighter checks first in isMutableExpression() #6623

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6 changes: 3 additions & 3 deletions lib/astutils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2447,11 +2447,11 @@ static bool isMutableExpression(const Token* tok)
return false;
if (Token::simpleMatch(tok, "[ ]"))
return false;
if (Token::Match(tok->previous(), "%name% (") && tok->previous()->isKeyword())
if (tok->previous() && tok->previous()->isKeyword() && Token::Match(tok->previous(), "%name% ("))
return false;
if (Token::Match(tok, "<|>") && tok->link())
if (tok->link() && Token::Match(tok, "<|>"))
return false;
if (Token::simpleMatch(tok, "[") && tok->astOperand1())
if (tok->astOperand1() && Token::simpleMatch(tok, "["))
return isMutableExpression(tok->astOperand1());
if (const Variable* var = tok->variable()) {
if (var->nameToken() == tok)
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