Function memory_overlap

subprojects/llama.cpp/tests/test-alloc.cpp:227–236

}

static bool memory_overlap(ggml_tensor * a, ggml_tensor * b) {
    if (a->buffer != b->buffer) {
        return false;
    }
    int64_t a0 = (int64_t) a->data;
    int64_t a1 = a0 + ggml_nbytes(a);
    int64_t b0 = (int64_t) b->data;
    int64_t b1 = b0 + ggml_nbytes(b);
    return a1 > b0 && b1 > a0;
}

static ggml_tensor * get_view_source(ggml_tensor * t) {
    while (t->view_src) {