[esnext] fix MaterializeCapturedObjectAt for async generator objects

Previously, JS_ASYNC_GENERATOR_OBJECT_TYPE maps led to an UNREACHABLE
macro, but are now restored like ordinary JSGeneratorObjects.

BUG=chromium:772649, v8:5855
R=adamk@chromium.org, yangguo@chromium.org, verwaest@chromium.org

Change-Id: I02e101565625f8a057d0e5b242a5fe0df263df89
Reviewed-on: https://chromium-review.googlesource.com/706780
Commit-Queue: Caitlin Potter <caitp@igalia.com>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48423}
2 files changed
tree: b3017c19618c95c6d9615752ffd818c7016f673c
  1. benchmarks/
  2. build_overrides/
  3. docs/
  4. gni/
  5. gypfiles/
  6. include/
  7. infra/
  8. samples/
  9. src/
  10. test/
  11. testing/
  12. third_party/
  13. tools/
  14. .clang-format
  15. .editorconfig
  16. .git-blame-ignore-revs
  17. .gitignore
  18. .gn
  19. .ycm_extra_conf.py
  20. AUTHORS
  21. BUILD.gn
  22. ChangeLog
  23. CODE_OF_CONDUCT.md
  24. codereview.settings
  25. DEPS
  26. LICENSE
  27. LICENSE.fdlibm
  28. LICENSE.strongtalk
  29. LICENSE.v8
  30. LICENSE.valgrind
  31. Makefile
  32. Makefile.android
  33. OWNERS
  34. PRESUBMIT.py
  35. README.md
  36. snapshot_toolchain.gni
  37. WATCHLISTS
README.md

V8 JavaScript Engine

V8 is Google's open source JavaScript engine.

V8 implements ECMAScript as specified in ECMA-262.

V8 is written in C++ and is used in Google Chrome, the open source browser from Google.

V8 can run standalone, or can be embedded into any C++ application.

V8 Project page: https://github.com/v8/v8/wiki

Getting the Code

Checkout depot tools, and run

    fetch v8

This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run

    git pull origin
    gclient sync

For fetching all branches, add the following into your remote configuration in .git/config:

    fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
    fetch = +refs/tags/*:refs/tags/*

Contributing

Please follow the instructions mentioned on the V8 wiki.