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Fix #11465 FP returnDanglingLifetime/returnTempreference with typeid (#4675)

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chrchr-github 2023-01-02 17:46:03 +01:00 committed by GitHub
parent f793b7dd35
commit 2007cd0a1d
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2 changed files with 11 additions and 0 deletions
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2
lib/astutils.cpp
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@ -413,6 +413,8 @@ bool isTemporary(bool cpp, const Token* tok, const Library* library, bool unknow
}
if (Token::simpleMatch(tok, "(") && tok->astOperand1() &&
(tok->astOperand2() || Token::simpleMatch(tok->next(), ")"))) {
if (Token::simpleMatch(tok->astOperand1(), "typeid"))
return false;
if (tok->valueType()) {
return tok->valueType()->reference == Reference::None;
}

9
test/testautovariables.cpp
View File

@ -78,6 +78,7 @@ private:
TEST_CASE(testautovar_return2);
TEST_CASE(testautovar_return3);
TEST_CASE(testautovar_return4);
TEST_CASE(testautovar_return5);
TEST_CASE(testautovar_extern);
TEST_CASE(testautovar_reassigned);
TEST_CASE(testinvaliddealloc);
@ -577,6 +578,14 @@ private:
ASSERT_EQUALS("", errout.str());
}
void testautovar_return5() { // #11465
check("struct S {};\n"
"const std::type_info* f() {\n"
" return &typeid(S);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void testautovar_extern() {
check("struct foo *f()\n"
"{\n"