// { dg-do run } 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; } int main() { int i = foo() ? s+b : s; return i != 2; }