Commits on Feb 15, 2023

1. reflect: make sure null bytes are supported in tags

   

   aykevl committed Feb 15, 2023
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2. all: refactor reflect package …

   This is a big commit that changes the way runtime type information is stored in
   the binary. Instead of compressing it and storing it in a number of sidetables,
   it is stored similar to how the Go compiler toolchain stores it (but still more
   compactly).
   
   This has a number of advantages:
   
     * It is much easier to add new features to reflect support. They can simply
       be added to these structs without requiring massive changes (especially in
       the reflect lowering pass).
     * It removes the reflect lowering pass, which was a large amount of hard to
       understand and debug code.
     * The reflect lowering pass also required merging all LLVM IR into one
       module, which is terrible for performance especially when compiling large
       amounts of code. See issue 2870 for details.
     * It is (probably!) easier to reason about for the compiler.
   
   The downside is that it increases code size a bit, especially when reflect is
   involved. I hope to fix some of that in later patches.

   

   aykevl committed Feb 15, 2023
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