https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110075
Bug ID: 110075
Summary: Bogus -Wdangling-reference
Product: gcc
Version: 13.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: pilarlatiesa at gmail dot com
Target Milestone: ---
$ cat test.cpp
#include <map>
#include <string>
class T
{
static inline std::map<std::string, int> const m = {{"foo", 0}};
public:
static int const &Get(std::string const &s) { return m.at(s); }
};
int main()
{
[[maybe_unused]] int const &i = T::Get("foo");
}
$ ./gcc-13/bin/g++ -Wall test.cpp
test.cpp: In function ‘int main()’:
test.cpp:14:31: warning: possibly dangling reference to a temporary
[-Wdangling-reference]
14 | [[maybe_unused]] int const &i = T::Get("foo");
| ^
test.cpp:14:41: note: the temporary was destroyed at the end of the full
expression ‘T::Get(std::__cxx11::basic_string<char>(((const char*)"foo"),
std::allocator<char>()))’
14 | [[maybe_unused]] int const &i = T::Get("foo");
| ~~~~~~^~~~~~~
