syntax_data: {"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let Array(f0_elem_ty, f0_len) = field_ty.kind() else {
context_before:         let field_ty = variant.fields[FieldIdx::ZERO].ty(tcx, args);
context_after:             bug!("Simd type has non-array field type {field_ty:?}")