syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // adjustments `fn_abi_of_instance` might be performing.
context_before: // or should go through `FnAbi` instead, to avoid losing any
context_after: #[tracing::instrument(level = "debug", skip(tcx, typing_env))]