syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"err.note(\"`&str`"}]}
source_snippet:                 err.note("`&str` cannot be matched exhaustively, so a wildcard `_` is necessary");
context_before:             } else if ty.inner() == cx.tcx.types.str_ {
context_after:             } else if cx.is_foreign_non_exhaustive_enum(ty) {