[infer] fix operator shadowing
[infer] fix operator shadowing

Summary: This was annoying as "jump to next error" was otherwise always jumping to this warning about shadowing `|>`

Reviewed By: sblackshear

Differential Revision: D4767571

fbshipit-source-id: 932145c

facebook/infer,blzq/infer,jsachs/infer,jvillard/infer,jvillard/infer,ropas/infer,blzq/infer,blzq/infer,jvillard/infer,ryoon/infer,jsachs/infer,jvillard/infer,ryoon/infer,facebook/infer,jsachs/infer,jvillard/infer,jsachs/infer,facebook/infer,blzq/infer,jsachs/infer,facebook/infer,ropas/infer,blzq/infer,ropas/infer,facebook/infer,ryoon/infer,jvillard/infer,ropas/infer,blzq/infer,facebook/infer,ryoon/infer,facebook/infer,ropas/infer,ryoon/infer,ryoon/infer,jvillard/infer,jsachs/infer,ropas/infer