Build reverse dependencies between LibraryCycle(s).

Build reverse dependencies between LibraryCycle(s).

I plan using it for adding libraries that have not been affected by
the changed files, but must be sent to VM because of possible inlining.
We will find affected libraries and then climb up until we reach the
entry point.

R=ahe@google.com, paulberry@google.com, sigmund@google.com
BUG=

Committed: https://github.com/dart-lang/sdk/commit/c4de2886b1cf5bd8a2be9863f4eb45de191b01b4

[Paul Berry, 2017-06-12 22:19:45]

lgtm

https://codereview.chromium.org/2934933002/diff/1/pkg/front_end/lib/src/incre...
File pkg/front_end/lib/src/incremental/file_state.dart (right):

https://codereview.chromium.org/2934933002/diff/1/pkg/front_end/lib/src/incre...
pkg/front_end/lib/src/incremental/file_state.dart:567: // Build the set of
cycles this cycles directly depends on.
s/this cycles/this cycle/

[scheglov, 2017-06-13 00:30:57]

Description was changed from

==========
Build reverse dependencies between LibraryCycle(s).

I plan using it for adding libraries that have not been affected by
the changed files, but must be sent to VM because of possible inlining.
We will find affected libraries and then climb up until we reach the
entry point.

R=ahe@google.com, paulberry@google.com, sigmund@google.com
BUG=
==========

to

==========
Build reverse dependencies between LibraryCycle(s).

I plan using it for adding libraries that have not been affected by
the changed files, but must be sent to VM because of possible inlining.
We will find affected libraries and then climb up until we reach the
entry point.

R=ahe@google.com, paulberry@google.com, sigmund@google.com
BUG=

Committed:
https://github.com/dart-lang/sdk/commit/c4de2886b1cf5bd8a2be9863f4eb45de191b01b4
==========

[scheglov, 2017-06-13 00:30:59]

Committed patchset #1 (id:1) manually as
c4de2886b1cf5bd8a2be9863f4eb45de191b01b4 (presubmit successful).