{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"//"}]}
        // An error from get_ptr_alloc_mut takes precedence.
        let misalign_res = self.check_misalign(mplace.mplace.misaligned, CheckAlignMsg::BasedOn);
        let (a, ()) = self.get_ptr_alloc_mut(mplace.ptr(), size).and(misalign_res)?;