chore: merge train 223 (v0.5.1602)

.github/workflows/test.yml

@@ -586,6 +586,24 @@ jobs:
           python3 scripts/check_node_version_consistency.py --self-test
           python3 scripts/check_node_version_consistency.py
 
+      # perry-codegen does NOT depend on perry-runtime, yet it bakes the
+      # collector's header layout into emitted code: the inline `new` path
+      # stores a packed GcHeader word as a compile-time constant (#8122) and
+      # every class-field / element-shape guard masks that word against a
+      # literal. Both sides carried their own copy of GC_TYPE_OBJECT,
+      # GC_FLAG_FORWARDED, GC_OBJ_TYPED_LAYOUT_INTACT and friends, held together
+      # only by a comment -- the `debug_assert_eq!` that looks like it checks
+      # them compares codegen's constant to a string literal (a tautology) and
+      # is compiled out of release and perry-dev anyway. A renumbering in the
+      # runtime therefore compiled clean, passed every suite, and shipped a
+      # binary whose objects the collector misreads. Build-free, so it belongs
+      # in `lint`, which IS a required context.
+      - name: GC header constant consistency
+        if: ${{ !cancelled() }}
+        run: |
+          python3 scripts/check_gc_header_constants.py --self-test
+          python3 scripts/check_gc_header_constants.py
+
       # #7341 layer 3. A RuntimeHandleScope gives an object liveness; it does
       # nothing for a raw pointer already read out of the slot. Every rooting bug
       # in the quarantine sweep had rooting ALREADY -- what was missing was

CLAUDE.md

@@ -8,7 +8,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 Perry is a native TypeScript compiler written in Rust that compiles TypeScript source code directly to native executables. It uses SWC for TypeScript parsing and LLVM for code generation.
 
-**Current Version:** 0.5.1601
+**Current Version:** 0.5.1602
 
 
 ## TypeScript Parity Status