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authorCliff Click <cliffc@acm.org>2026-10-03 14:03:48 -0700
committerCliff Click <cliffc@acm.org>2026-10-03 14:03:48 -0700
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Chapter renumber, and split ch 17
Renumber chapters 10a, 10b, 11, 12, 13, 14 -> 10, 11, 13, 12, [11,14]. Split ch 17 into a 17a and 17b; shuffle around im/mutable syntax to be consistent, and present it more slowly. THe new immutable syntax is pushed through all later chapters
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@@ -156,6 +156,10 @@ regressions. `make release` builds the compiler jar and native library artifacts
`make tags` builds editor tags. Native tools and the selected CPU/ABI must match
the environment; the Makefile currently defaults to x86-64/win64.
+Serialized IR now uses the `C0D2` header: pointer types include an independent
+read-only access bit. Older object files must be rebuilt; the reader rejects
+their old header rather than interpreting their types with the new layout.
+
Compiler changes can invalidate both serialized IR and native code in `sys.o`.
Rebuild it before interpreting linked-program test results. A source-only subset
is not equivalent to this chapter's full `make tests`.