ref: f9a9c99baffaf19ec52260e79eaf1b0cd76940c4
dir: /cc1/TODO/
* Verify correctness in initializators * emit initializators * Implement bitfields * Define data structure shared between cc1 and cc2 with the type information * Rewrite error recovery code, and ensure correct state after recovery * Parse correctly all integer and float constants * Add C99 features (almost all the new features of C99 are missed) * Add correct emit for any kind of constant * Add warning when some ANSI limit is violated. * Add k&r functions