baloghadamsoftware added a comment.
I am not sure whether we should copy with such ugly things as overloaded member
access operators with side effects, but they can also cause troubles using this
fix:
#include <iostream>
using std::cout;
using std::endl;
struct C {
static int N;
int n = 0;
};
int C::N = 0;
struct Cptr {
C* c;
explicit Cptr(C *cc): c(cc) {}
C* operator->() {
++c->n;
return c;
}
};
int main() {
Cptr cp(new C);
cout<<"n: "<<cp->n<<endl;
cp->N = 10;
cout<<"n: "<<cp->n<<endl;
}
Output:
n: 1
n: 3
After the fix, the output chanes to:
n: 1
n: 2
Repository:
rL LLVM
https://reviews.llvm.org/D35937
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