syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"impls.push(impl_def_id)"}]}
source_snippet:             impls.push(impl_def_id)
context_before:         for &impl_def_id in tcx.crate_incoherent_impls((cnum, simp)) {
context_after:         }