ref: a799fd84aabd2df4789da1fe498e2f7ced1aa141
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;
}