Removal of global state from GCC

Contents:

• Requirements
• Plan
• Singletons and performance
• Various kinds of pass-local state
• New Classes
• Appendix 1: Top 40 globals (by count of usage sites)
• Appendix 2: Notes on specific passes
• Appendix 3: Support Libraries
• Appendix 4: Rejected Ideas
• Bikeshedding: “universe” vs “context”?
• TODO

Indices and tables

• Index
• Module Index
• Search Page