Skip to content

Fix #14074 FP constParameterReference reported for std::array object when non-const pointer to internal data is returned #7890

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 5 commits into from
Oct 29, 2025
Merged

Fix #14074 FP constParameterReference reported for std::array object when non-const pointer to internal data is returned #7890

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
1dfd306
Update valueflow.cpp
chrchr-github Oct 15, 2025
9714db6
Update testother.cpp
chrchr-github Oct 15, 2025
63feade
Update valueflow.cpp
chrchr-github Oct 15, 2025
4ff7d31
Update checkstl.cpp
chrchr-github Oct 15, 2025
53bf059
Fix
web-flow Oct 28, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions lib/checkother.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1727,6 +1727,9 @@ void CheckOther::checkConstVariable()
retTok = retTok->astOperand2();
if (Token::simpleMatch(retTok, "&"))
retTok = retTok->astOperand1();
ValueFlow::Value ltVal = ValueFlow::getLifetimeObjValue(retTok);
if (ltVal.isLifetimeValue() && ltVal.tokvalue->varId() == var->declarationId())
return true;
return ValueFlow::hasLifetimeToken(getParentLifetime(retTok), var->nameToken(), *mSettings);
}))
continue;
Expand Down
3 changes: 3 additions & 0 deletions test/testother.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3960,6 +3960,9 @@ class TestOther : public TestFixture {

check("void push(V& v) { v.push_back({ .x = 1 }); }"); // #14010
ASSERT_EQUALS("", errout_str());

check("size_t* f(std::array<uint8_t, 128>& a) { return reinterpret_cast<size_t*>(a.data()); }\n"); // #14074
ASSERT_EQUALS("", errout_str());
}

void constParameterCallback() {
Expand Down