syntax_data: {"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:             | ty::Infer(ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => bug!(
context_before:             | ty::Placeholder(..)
context_after:                 "`ptr_metadata_ty_or_tail` applied to unexpected type: {self:?} (tail = {tail:?})"