undefined_func_realize.cpp
#include <assert.h>
#include <stdio.h>
#include "Halide.h"
#include "test/common/halide_test_dirs.h"
using namespace Halide;
int main(int argc, char **argv) {
Func f("f");
Buffer<int32_t> result = f.realize(100, 5, 3);
// We shouldn't reach here, because there should have been a compile error.
printf("There should have been an error\n");
return 0;
}