{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//!"}]}
//! is picking the right mutability: the outermost allocation generally has a clear mutability, but
//! pointers, and move all reachable allocations to the global `tcx` memory. The only complication
//! what about the other allocations it points to that have also been created with this value? We