Static and dynamic initialization nondeterminism

inline double fd() { return 1.0; }

extern double d1;

double d2 = d1;    // unspecified:
                   // may be statically initialized to 0.0 or
                   // dynamically initialized to 0.0 if d1 is
                   // dynamically initialized, or 1.0 otherwise

double d1 = fd();  // may be initialized statically or dynamically to 1.0