syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // elsewhere in the compiler as a method on a `dyn Trait`.
context_before:         // with a Scalar (not ScalarPair) ABI. This is a hack that is understood
context_after:         // To get the type `*mut RcInner<Self>`, we just keep unwrapping newtypes until we