tree 8cec0d66bdd5e5a9be14bbb881eb36d09868ab39
parent a584db5460a31198bf621cdacf5bc304a984efa4
author Vladimir Marko <vmarko@google.com> 1461174325 +0100
committer Vladimir Marko <vmarko@google.com> 1461177635 +0100

Fix HInstruction::ReplaceInput(), allow no-op.

Allow HInstruction::ReplaceInput() to be called with
a `replacement` being the same as the old input and
do nothing in that case.

This is a follow-up to
    https://android-review.googlesource.com/216923
where I erroneously assumed that it never happens.

Also adhere to the standard C++ std::forward_list<>
semantics in the single-element overload of
`IntrusiveForwardList<>::splice_after()`.

Bug: 28173563
Change-Id: I5cea14c212b1083f90ffe6b5b53324ad663d57d8