dart2js: Move always-taken branch code to dominate join

dart2js: Move always-taken branch code to dominate join

Makes a lot of small improvements to Angular code by improving the code generated for inlined versions of looseIdentical.

BUG=
R=sigmund@google.com

Committed: https://github.com/dart-lang/sdk/commit/b17e54277b75e60d1740fae4d77c4d2a4d3760e5

[sra1, 2017-04-26 05:36:01]

Patchset #1 (id:1) has been deleted

[sra1, 2017-04-26 05:44:20]

Patchset #1 (id:20001) has been deleted

[sra1, 2017-04-26 17:53:46]

Patchset #1 (id:40001) has been deleted

[sra1, 2017-04-26 18:03:21]

Description was changed from

==========
dart2js: Move always-taken branch code to dominate join

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

to

==========
dart2js: Move always-taken branch code to dominate join

Makes a lot of small improvements to Angular code by improving the code
generated for inlined versions of looseIdentical.

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

[sra1, 2017-04-26 18:03:21]

sra@google.com changed reviewers:
+ sigmund@google.com

[Siggi Cherem (dart-lang), 2017-04-26 18:17:14]

lgtm

[sra1, 2017-04-26 20:55:40]

Description was changed from

==========
dart2js: Move always-taken branch code to dominate join

Makes a lot of small improvements to Angular code by improving the code
generated for inlined versions of looseIdentical.

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

to

==========
dart2js: Move always-taken branch code to dominate join

Makes a lot of small improvements to Angular code by improving the code
generated for inlined versions of looseIdentical.

BUG=
R=sigmund@google.com

Committed:
https://github.com/dart-lang/sdk/commit/b17e54277b75e60d1740fae4d77c4d2a4d3760e5
==========

[sra1, 2017-04-26 20:55:41]

Committed patchset #1 (id:60001) manually as
b17e54277b75e60d1740fae4d77c4d2a4d3760e5 (presubmit successful).