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In this noncompliant code example, the class member variable C is not explicitly initialized by a ctor-initializer in the default constructor. Despite the local variable o being default-initialized, the use of C within the call to S::f() results in the use evaluation of an object with indeterminate value, resulting in undefined behavior.
| Code Block | ||||
|---|---|---|---|---|
| ||||
class S {
int C;
public:
int f(int I) const { return I + C; }
};
void f() {
S o;
int i = o.f(10);
} |
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