- Use UnboxedInt32 and UnboxedUint32 representation for LoadIndexedInstr
- Avoid inserting an check class instruction for Uint32 and Int32 arrays on StoreIndexedInstr
- Implement Int32ToDouble on all architectures
- Add Int32 to double instruction to ARM64 and simulator.
- Add Int32 to double instruction to X64.

R=vegorov@google.com, zra@google.com

Review URL: https://codereview.chromium.org//616873003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41025 260f80e4-7a28-3924-810f-c04153c831b5
Issue 21281. Fix for 'too complex to open in the Dart editor' for an empty file.

R=brianwilkerson@google.com
BUG= https://code.google.com/p/dart/issues/detail?id=21281

Review URL: https://codereview.chromium.org//637813003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41026 260f80e4-7a28-3924-810f-c04153c831b5
fix suggestions in class body and more common tests

BUG=
R=scheglov@google.com

Review URL: https://codereview.chromium.org//645573004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41027 260f80e4-7a28-3924-810f-c04153c831b5
Fix for NPE when Quick Outline is not ready.

R=danrubel@google.com
BUG=

Review URL: https://codereview.chromium.org//643753003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41028 260f80e4-7a28-3924-810f-c04153c831b5
Test that analysis server and analysis engine enums properly match.

R=brianwilkerson@google.com, scheglov@google.com

Review URL: https://codereview.chromium.org//647563002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41029 260f80e4-7a28-3924-810f-c04153c831b5
Make "error" the default severity for checked mode compile time errors.

R=brianwilkerson@google.com

Review URL: https://codereview.chromium.org//643763002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41030 260f80e4-7a28-3924-810f-c04153c831b5
improve suggestions in for statement

BUG=
R=scheglov@google.com

Review URL: https://codereview.chromium.org//645733002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41031 260f80e4-7a28-3924-810f-c04153c831b5