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  14. 10 Dec, 2014 1 commit
    • adamk's avatar
      Optimize Object.seal and Object.preventExtensions · 4fa7ae1c
      adamk authored
      They both now run fast (due to utilizing transitions instead of always
      creating new maps) and sealed or non-extensible objects can stay in
      fast mode after transitioning.
      
      This almost entirely reuses the code for transitioning objects
      frozen by Object.freeze(), with the added benefit of freeing
      up a bit on the map (we no longer keep track of frozen-ness,
      as that bit wasn't used for anything interesting).
      
      BUG=v8:3662,chromium:115960
      LOG=y
      
      Review URL: https://codereview.chromium.org/776143005
      
      Cr-Commit-Position: refs/heads/master@{#25759}
      4fa7ae1c
  15. 11 Nov, 2014 1 commit
  16. 07 Nov, 2014 2 commits
  17. 14 Apr, 2014 1 commit
  18. 29 Nov, 2013 1 commit
  19. 27 May, 2013 1 commit
  20. 23 May, 2013 1 commit
    • verwaest@chromium.org's avatar
      Make Object.freeze fast · 36e91242
      verwaest@chromium.org authored
      This patch both speeds up the freeze operation itself, but also
      allows properties to remain in fast mode. Objects with non-empty
      elements backing stores still end up with slow elements.
      
      Relanding r14758 and r14759 with fix for Test262: only mark properties
      and elements READ_ONLY if they are not JS setter/getters. Tightened up
      tests to assert frozen-ness, and added targeted tests for the new code
      (covering accessors).
      
      BUG=v8:1858, 115960
      R=verwaest@chromium.org
      
      Review URL: https://chromiumcodereview.appspot.com/15691007
      
      Patch from Adam Klein <adamk@chromium.org>.
      
      git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      36e91242
  21. 22 May, 2013 3 commits
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