{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"//!"}]}
//! This ensure that we do not spuriously merge borrows that should not be merged. Meanwhile, we
//! We handle references by assigning a different "provenance" index to each Ref/RawPtr rvalue.
//! consider all the derefs of an immutable reference to a freeze type to give the same value: