ref: f2fe6bc81e714ea3e422a0513ac171c9b2101646
dir: /tests/cc/execute/0147-intern_cpp.c/
#define x(y) (y) int main(void) { int y; char *p; p = __FILE__; y = __LINE__; p = __DATE__; y = __STDC__; p = __TIME__; y = __STDC_HOSTED__; y = __SCC__; y = x(1); return 0; }