VM: Fix simdbc and darkp builds.

VM: Fix simdbc and darkp builds.

- When generating app-aot snapshot we are currently running Kernel isolate
in the precompiler mode, which means we can't have field guards enabled.

- DBC does not support field guards so flags must be correctly initialized.

BUG=
TBR=rmacnak@google.com

Committed: https://github.com/dart-lang/sdk/commit/9fd4823e9da5cf1eb73362ed826e8d6f3cb15e4c

[Vyacheslav Egorov (Google), 2017-02-28 21:13:24]

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

[Vyacheslav Egorov (Google), 2017-02-28 21:13:25]

Hi Ryan, Please take a look.

[Vyacheslav Egorov (Google), 2017-02-28 21:20:23]

Description was changed from

==========
VM: Fix simdbc and darkp builds.

- When generating app-aot snapshot we are currently running Kernel isolate
in the precompiler mode, which means we can't have field guards enabled.

- DBC does not support field guards so flags must be correctly initialized.

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

to

==========
VM: Fix simdbc and darkp builds.

- When generating app-aot snapshot we are currently running Kernel isolate
in the precompiler mode, which means we can't have field guards enabled.

- DBC does not support field guards so flags must be correctly initialized.

BUG=
TBR=rmacnak@google.com
==========

[Vyacheslav Egorov (Google), 2017-02-28 21:20:35]

TBRing to unbreak the build

[Vyacheslav Egorov (Google), 2017-02-28 21:20:48]

Description was changed from

==========
VM: Fix simdbc and darkp builds.

- When generating app-aot snapshot we are currently running Kernel isolate
in the precompiler mode, which means we can't have field guards enabled.

- DBC does not support field guards so flags must be correctly initialized.

BUG=
TBR=rmacnak@google.com
==========

to

==========
VM: Fix simdbc and darkp builds.

- When generating app-aot snapshot we are currently running Kernel isolate
in the precompiler mode, which means we can't have field guards enabled.

- DBC does not support field guards so flags must be correctly initialized.

BUG=
TBR=rmacnak@google.com

Committed:
https://github.com/dart-lang/sdk/commit/9fd4823e9da5cf1eb73362ed826e8d6f3cb15e4c
==========

[Vyacheslav Egorov (Google), 2017-02-28 21:20:49]

Committed patchset #1 (id:1) manually as
9fd4823e9da5cf1eb73362ed826e8d6f3cb15e4c (presubmit successful).