ref: a300bb7984c6d77b298981e1c6d6be00b4ab56b3
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