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Fix #14559 FN constVariablePointer (ternary expression passed to unknown function, regression) #8331

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Merged
chrchr-github merged 3 commits into from
Mar 28, 2026
+14 −2
Merged

Fix #14559 FN constVariablePointer (ternary expression passed to unknown function, regression) #8331

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d75f8dc
Update astutils.cpp
chrchr-github Mar 12, 2026
1e05778
Update testother.cpp
chrchr-github Mar 12, 2026
273cfbd
Merge branch 'main' into chr_14559
chrchr-github Mar 16, 2026
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4 changes: 2 additions & 2 deletions lib/astutils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2628,7 +2628,7 @@ bool isVariableChanged(const Token *tok, int indirect, const Settings &settings,
if (!tok->isMutableExpr())
return false;

if (indirect == 0 && isConstVarExpression(tok))
if (isConstVarExpression(tok))
return false;

const Token *tok2 = tok;
Expand Down Expand Up @@ -3370,7 +3370,7 @@ bool isConstVarExpression(const Token *tok, const std::function<bool(const Token
if (!tok)
return false;
if (tok->str() == "?" && tok->astOperand2() && tok->astOperand2()->str() == ":") // ternary operator
return isConstVarExpression(tok->astOperand2()->astOperand1()) && isConstVarExpression(tok->astOperand2()->astOperand2()); // left and right of ":"
return isConstVarExpression(tok->astOperand2()->astOperand1()) || isConstVarExpression(tok->astOperand2()->astOperand2()); // left and right of ":"
if (skipPredicate && skipPredicate(tok))
return false;
if (Token::simpleMatch(tok->previous(), "sizeof ("))
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12 changes: 12 additions & 0 deletions test/testother.cpp
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Expand Up @@ -4775,6 +4775,18 @@ class TestOther : public TestFixture {
" strcpy(r.c, p->c_str());\n"
"}\n");
ASSERT_EQUALS("[test.cpp:7:21]: (style) Parameter 'p' can be declared as pointer to const [constParameterPointer]\n", errout_str());

check("struct S {\n" // #14559
" int gc() const;\n"
" int gnc();\n"
"};\n"
"int f1(S* s) {\n"
" return h(s ? s->gc() : 1);\n"
"}\n"
"int f2(S* s) {\n"
" return h(s ? s->gnc() : 1);\n"
"}\n");
ASSERT_EQUALS("[test.cpp:5:11]: (style) Parameter 's' can be declared as pointer to const [constParameterPointer]\n", errout_str());
}

void constArray() {
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