syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // instances without this.
context_before:             // Especially, `VTableShim`s and `ReifyShim`s may overlap with their original
context_after:             discriminant(&instance.def).hash_stable(hcx, &mut hasher);