{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"//"}]}
                // FIXME(ZuseZ4): We will upstream a safety check later which asserts that
                // (..., metadata! enzyme_dup, ptr, ptr, int1, ...).
                // int2 >= int1, which means the shadow vector is large enough to store the gradient.