ref: a951173828d4c5fad5de2c54576cb01ad484dbae dir: /tests/cc/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; }