[refactor] use with_loc for 'new' expressions
[refactor] use with_loc for 'new' expressions

Reviewed By: gkz

Differential Revision: D19670598

fbshipit-source-id: f4c2bbb9ee0616b71d6f164789dcc587079f3d13

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow