ref: e74d7631c72644f14aec7b55e6bf69ad7a51a6fd 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; }