1*0a6a1f1dSLionel Sambuc /* extension */ a(void)2*0a6a1f1dSLionel Sambucvoid a(void) { 3*0a6a1f1dSLionel Sambuc double __logbw = 1; 4*0a6a1f1dSLionel Sambuc if (__extension__(({ __typeof((__logbw)) x_ = (__logbw); !__builtin_isinf((x_)) && !__builtin_isnan((x_)); }))) 5*0a6a1f1dSLionel Sambuc __logbw = 1; 6*0a6a1f1dSLionel Sambuc } 7