[turbofan] Don't report failed map check as failed instance migration.

Failed instance migration should only be reported if the map of the
object was originally marked as deprecated. Otherwise it's pretty
confusing to investigate deoptimizations.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2700143002
Cr-Commit-Position: refs/heads/master@{#43293}
1 file changed
tree: f1d5c81c10514b2e88baf9de704a25c016c90c74
  1. .clang-format
  2. .gitignore
  3. .gn
  4. .ycm_extra_conf.py
  5. AUTHORS
  6. BUILD.gn
  7. CODE_OF_CONDUCT.md
  8. ChangeLog
  9. DEPS
  10. LICENSE
  11. LICENSE.fdlibm
  12. LICENSE.strongtalk
  13. LICENSE.v8
  14. LICENSE.valgrind
  15. Makefile
  16. Makefile.android
  17. OWNERS
  18. PRESUBMIT.py
  19. README.md
  20. WATCHLISTS
  21. benchmarks/
  22. build_overrides/
  23. codereview.settings
  24. docs/
  25. gni/
  26. gypfiles/
  27. include/
  28. infra/
  29. samples/
  30. snapshot_toolchain.gni
  31. src/
  32. test/
  33. testing/
  34. third_party/
  35. tools/
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.