Creates infrastructure to test individual compiler passes.

Also started some very basic tests for ControlFlowAnalyzer, ExpressionAnalyzer, and DeadCodeElimination.

Hopefully this will start the process of fixing broken windows and result in more test coverage in the future. :)

Review by: spoon, cromwellian

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5943 8db76d5a-ed1c-0410-87a9-c151d255dfc7
11 files changed