R4_START
static struct resource r4 = { .start = R4_START, .end = R4_END };
.r1 = &r2, .r2 = &r4, .r.start = R4_START, .r.end = R4_END, .ret = true,
.r1 = &r3, .r2 = &r4, .r.start = R4_START, .r.end = R3_END, .ret = true,
.r1 = &r4, .r2 = &r0, .r.start = R4_START, .r.end = R4_END, .ret = true,
.r1 = &r4, .r2 = &r1, .r.start = R4_START, .r.end = R1_END, .ret = true,