syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":".try_normalize_erasing_regions(typing_env,"}]}
source_snippet:                         .try_normalize_erasing_regions(typing_env, field_ty)
context_before:                     let field_ty = tcx
context_after:                         .unwrap_or_else(|_| tcx.erase_regions(field_ty));