syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"assert!(lhs_size.bits()"}]}
source_snippet:                 assert!(lhs_size.bits() <= 128);
context_before:                 let (lhs_size, _) = ty.int_size_and_signed(self.tcx);
context_after:                 let rhs_ty = rhs.ty(&self.local_decls, self.tcx);