Fix call to Debug.fail in compiler
Fix call to Debug.fail in compiler

Microsoft/TypeScript,RyanCavanaugh/TypeScript,kpreisser/TypeScript,kitsonk/TypeScript,kpreisser/TypeScript,Microsoft/TypeScript,SaschaNaz/TypeScript,nojvek/TypeScript,kpreisser/TypeScript,minestarks/TypeScript,SaschaNaz/TypeScript,alexeagle/TypeScript,nojvek/TypeScript,RyanCavanaugh/TypeScript,microsoft/TypeScript,nojvek/TypeScript,kitsonk/TypeScript,weswigham/TypeScript,minestarks/TypeScript,alexeagle/TypeScript,SaschaNaz/TypeScript,Microsoft/TypeScript,SaschaNaz/TypeScript,minestarks/TypeScript,microsoft/TypeScript,kitsonk/TypeScript,weswigham/TypeScript,weswigham/TypeScript,microsoft/TypeScript,RyanCavanaugh/TypeScript,alexeagle/TypeScript,nojvek/TypeScript