syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":".temporary_scope(self.region_scope_tree,"}]}
source_snippet:                         .temporary_scope(self.region_scope_tree, body.hir_id.local_id);
context_before:                         .rvalue_scopes
context_after:                     let block = self.mirror_block(body);