syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"saved_locals:"}]}
source_snippet:     saved_locals: &'a CoroutineSavedLocals,
context_before: struct EnsureCoroutineFieldAssignmentsNeverAlias<'a> {
context_after:     storage_conflicts: &'a BitMatrix<CoroutineSavedLocal, CoroutineSavedLocal>,