Fixed --optimize not working.     - Output files are different file names.     - And -optimize requires --disable-type-optimizations for code to work.
Fixed --optimize not working.
    - Output files are different file names.
    - And -optimize requires --disable-type-optimizations for code to work.

BUG=
TEST=

Review URL: https://chromereviews.googleplex.com/3550017

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@162 260f80e4-7a28-3924-810f-c04153c831b5

dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk