ref: 840c98a16e5c6ce962d3a7d4c01c27a51dad2e23 dir: /tests/execute/0066-cppelse.c/
#define BAR 0 #ifdef BAR #ifdef FOO XXX #ifdef FOO XXX #endif #else #define FOO #ifdef FOO int x = BAR; #endif #endif #endif int main() { return BAR; }