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Fix #12252 Regression: constParameterPointer (#5819)

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chrchr-github 2024-01-02 20:07:35 +01:00 committed by GitHub
parent 14627ca6d2
commit 8d64d12e5d
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2 changed files with 10 additions and 1 deletions
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2
lib/astutils.cpp
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@ -1020,7 +1020,7 @@ bool isAliasOf(const Token* tok, const Token* expr, int* indirect, bool* inconcl
if (val.isLocalLifetimeValue() || (pointer && val.isSymbolicValue() && val.intvalue == 0)) {
if (findAstNode(val.tokvalue,
[&](const Token* aliasTok) {
return aliasTok->exprId() == childTok->exprId();
return aliasTok != childTok && aliasTok->exprId() == childTok->exprId();
})) {
if (val.isInconclusive() && inconclusive != nullptr) {
value = &val;

9
test/testother.cpp
View File

@ -3991,6 +3991,15 @@ private:
"}\n");
ASSERT_EQUALS("[test.cpp:2]: (style) Parameter 's' can be declared as pointer to const\n",
errout.str());
check("void f(char *a1, char *a2) {\n" // #12252
" char* b = new char[strlen(a1) + strlen(a2) + 2];\n"
" sprintf(b, \"%s_%s\", a1, a2);\n"
" delete[] b;\n"
"}\n");
ASSERT_EQUALS("[test.cpp:1]: (style) Parameter 'a1' can be declared as pointer to const\n"
"[test.cpp:1]: (style) Parameter 'a2' can be declared as pointer to const\n",
errout.str());
}
void switchRedundantAssignmentTest() {