VM: [Kernel, Precompiler] Improve Function and Field hashes for objects originating from Kernel.

VM: [Kernel, Precompiler] Improve Function and Field hashes for objects originating from Kernel.

Currently Fasta does not assign any position information to these objects so we had a very bad hash for them.

BUG=
R=erikcorry@google.com

Committed: https://github.com/dart-lang/sdk/commit/64940df644eec0197e7ef846efa61230074d6bec

[Vyacheslav Egorov (Google), 2017-03-07 11:54:52]

vegorov@google.com changed reviewers:
+ erikcorry@google.com

[Vyacheslav Egorov (Google), 2017-03-07 11:55:14]

Description was changed from

==========
VM: [Kernel, Precompiler] Improve Function and Field hashes for objects
originating from Kernel.

Currently Fasta does not assign any position information to these objects so we
had a very bad hash for them.

BUG=
==========

to

==========
VM: [Kernel, Precompiler] Improve Function and Field hashes for objects
originating from Kernel.

Currently Fasta does not assign any position information to these objects so we
had a very bad hash for them.

BUG=
==========

[Vyacheslav Egorov (Google), 2017-03-07 11:55:14]

vegorov@google.com changed reviewers:
+ rmacnak@google.com

[Vyacheslav Egorov (Google), 2017-03-07 11:55:22]

PTAL

[erikcorry, 2017-03-07 11:59:18]

lgtm

[Vyacheslav Egorov (Google), 2017-03-07 12:25:51]

Description was changed from

==========
VM: [Kernel, Precompiler] Improve Function and Field hashes for objects
originating from Kernel.

Currently Fasta does not assign any position information to these objects so we
had a very bad hash for them.

BUG=
==========

to

==========
VM: [Kernel, Precompiler] Improve Function and Field hashes for objects
originating from Kernel.

Currently Fasta does not assign any position information to these objects so we
had a very bad hash for them.

BUG=
R=erikcorry@google.com

Committed:
https://github.com/dart-lang/sdk/commit/64940df644eec0197e7ef846efa61230074d6bec
==========

[Vyacheslav Egorov (Google), 2017-03-07 12:25:52]

Committed patchset #2 (id:20001) manually as
64940df644eec0197e7ef846efa61230074d6bec (presubmit successful).

[rmacnak, 2017-03-07 17:27:05]

lgtm

IIRC, there's an outstanding task to load kernel directly into the Dart heap
instead of the C heap. Might be worth making a note that this hash won't be
valid then.