== verify the extracted tree really is bc2f26d^ ==
  git blob bc2f26d^:lang/el-compiler/src/codegen.el  f6bc48623aca4e6fd7f88639f7cb25a75bd3027f15aee5b5d5047dfcd2bb663a
  /tmp/el07parent/lang/el-compiler/src/codegen.el    f6bc48623aca4e6fd7f88639f7cb25a75bd3027f15aee5b5d5047dfcd2bb663a
  MATCH
  test_compiler.el blob 1e6cd04b7d0bb4c90d27d6a2f08c6bfdf78c3e1c1b12f73887c3b2fd60dc0384
  test_compiler.el file 1e6cd04b7d0bb4c90d27d6a2f08c6bfdf78c3e1c1b12f73887c3b2fd60dc0384
  MATCH

== native compiler tests at bc2f26d^ (built gen2, same procedure as the commit) ==
ok    exit-crossing-goes-through-the-seam  (0.065ms)
ok    early-returns-route-through-the-exit-seam  (0.097ms)

99 tests, 99 passed, 0 failed, 239 assertions in 5.827ms

== integration seam_binding.sh at bc2f26d^ ==
  ok    two constructs compose on one crossing
  ok    an EXIT construct declared after the build replaces the result

  7 assertions, 6 passed, 0 failed