tree 28412484547b9bfb4a4773df103cef5f485c3a67
parent 8d1a8c00b89775a251ac5e26a557f81ac1491a44
author Nicolas Geoffray <ngeoffray@google.com> 1435571794 +0100
committer Nicolas Geoffray <ngeoffray@google.com> 1435571959 +0100

Do not update the type of something we already know.

This is both an optimization to avoid unneeded nodes,
and correctness to avoid replacing the second input
of `HInstanceOf` and `HCheckCast` to something that is
not `HLoadClass`.

bug:22116987

Change-Id: I4907197a9002883d7cae8265a9642512b6201396