[infer][java] translate the unsingned shift operator as standard shift operator

Summary: This should not affect the analysis results so there is no need to raise an exception here. We can always add this unsigned shift operator to SIL if we want the analysis to take them into account

Reviewed By: sblackshear

Differential Revision: D5703792

fbshipit-source-id: 739891f

infer/src/java/jTrans.ml

@@ -190,7 +190,7 @@ let get_binop binop =
   | JBir.IXor
    -> Binop.BXor
   | JBir.IUshr
-   -> raise (Frontend_error "Unsigned right shift operator")
+   -> Binop.Shiftrt
   | JBir.LShl
    -> Binop.Shiftlt
   | JBir.LShr
@@ -202,9 +202,9 @@ let get_binop binop =
   | JBir.LXor
    -> Binop.BXor
   | JBir.LUshr
-   -> raise (Frontend_error "Unsigned right shift operator")
+   -> Binop.Shiftrt
   | JBir.CMP _
-   -> raise (Frontend_error "Unsigned right shift operator")
+   -> raise (Frontend_error "Comparison operators")
   | JBir.ArrayLoad _
    -> raise (Frontend_error "Array load operator")