Deprecation warnings

[Doug Simon]

> On 1 Feb 2017, at 19:55, Tom Rodriguez <tom.rodriguez at oracle.com> wrote:
> 
> 
> 
> Doug Simon wrote:
>>> On 1 Feb 2017, at 19:42, Andrew Haley<aph at redhat.com>  wrote:
>>> 
>>> /nfs/zebedee/home/graal/aph/truffle/truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/parser/Scanner.java:388: warning: [deprecation] Integer(int) in Integer has been deprecated
>>> 		literals.put("return", new Integer(17));
>>> 
>>> There are too many of these.  Shall I just fix them all?
>> 
>> No - we’re stuck with those because these methods are not deprecated on jdk8. So if you use SuppressWarnings, you’ll get a warning on jdk8 about an unnecessary suppression!
> 
> Well they can be changed to use valueOf instead, though for test cases I think we'll need to make sure we don't actually care about object identity.  Those I think we're stuck with.  That's going to be a very painful deprecation warning for lots of people.

Yes, we can change the ones where identity doesn’t matter. I hadn’t looked closely and assumed most uses require identity semantics.

-Doug