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extern "C" int printf(const char *, ...);
extern "C" const char *getenv(const char *);
class T {
int i;
public:
T() {
i = 1;
printf("T() at %x\n", this);
}
T(const T& o) {
i = o.i;
printf("T(const T&) at %x <-- %x\n", this, &o);
}
T operator +(const T& o) {
T r;
r.i = this->i + o.i;
return r;
}
operator int () {
return i;
}
~T() { printf("~T() at %x\n", this); }
} s, b;
int foo() { return getenv("TEST") == 0; }
main() {
int i = foo() ? s+b : s;
return i != 2;
}
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