ref: 6b87a0492cf186510ad71c5b20fa4e90ec4ff050
dir: /cc1/TODO/
* Verify correctness in initializators * emit initializators * emit structures definition * Rewrite decl.c and use only one decl function with a function pointer parameter * Allow external declarations of incomplete array types * Implement bitfields * Define data structure shared between cc1 and cc2 with the type information * Rewrite error recovery code, and ensure correct state after recovery * Allow comparisions between pointers and 0 * Implement function calls * 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