https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100838
Bug ID: 100838
Summary: -fno-elide-constructors for C++14 missing required
destructor call
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: kirshamir at gmail dot com
Target Milestone: ---
Code: https://godbolt.org/z/jKnKTds7s
#include <iostream>
class MyString {
public:
MyString(const char* s = "") {
std::cout << "ctor" << std::endl;
}
~MyString() {
std::cout << "dtor" << std::endl;
}
MyString(const MyString& s) {
std::cout << "copy ctor" << std::endl;
}
MyString& operator=(const MyString& s) {
std::cout << "operator=" << std::endl;
return *this;
}
};
int main() {
MyString s1 = "Hello";
std::cout << __LINE__ << std::endl;
}
---------------
When compiled with:
-std=c++14 -fno-elide-constructors
Output:
ctor
copy ctor
22
dtor
Expected output:
ctor
copy ctor
dtor
22
dtor
