The segmentation fault is a bug in your code, not in gcc. A temporary
is getting constructed, and you are using the compiler generated
assignment operator, so you get two instances deallocating the same
memory. Try adding a private operator=
class ScalarVector : public Vector<ScalarVector> {
private:
ScalarVector& operator=(const ScalarVector&);
};
and your code will fail to compile. Provide a suitable public
operator= and your code should work.
I believe the other problem can be simplified to
struct A {
double operator*(double);
};
template<typename T> T operator*(double, T);
int main() {
A a;
a * 3.0;
}
which gives the error
z2.cc: In function `int main()':
z2.cc:5: `T operator*(double, const T&) [with T = double]' must have an
argument of class or enumerated type
--
Philip
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