ref: 590cc101215a2493384d22ca4dd6f6e02958bac8
dir: /tests/cc/execute/0100-redeclaremacro.c/
#define NULL ((void*)0)
#define NULL ((void*)0)
#define FOO(X, Y) (X + Y + Z)
#define FOO(X, Y) (X + Y + Z)
#define BAR(X, Y, ...) (X + Y + Z)
#define BAR(X, Y, ...) (X + Y + Z)
int
main()
{
return 0;
}