syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // Not erasing this causes `Free Regions` errors in validator,
context_before:         let mut rval_ty = rvalue.ty(self.local_decls, self.tcx);
context_after:         // when rval is `ReStatic`.