ref: 3f775a9d7d5405a555e5746f3314884ace516a4c
dir: /cc1/tests/test033.c/
/* name: TEST033 description: test for #if defined() error: output: G1 I c */ #if defined(FOO) int a; #elif !defined(FOO) && defined(BAR) int b; #elif !defined(FOO) && !defined(BAR) int c; #else int d; #endif