135011 2014-07-16 23:32:42 -0700 CSS JIT: Clean up return path 2014-07-17 00:58:55 -0700 1 1 1 Unclassified WebKit CSS 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 134835 1 ysuzuki ysuzuki benjamin oldest_to_newest 1022972 0 ysuzuki 2014-07-16 23:32:42 -0700 Before adding early return path for PseudoElement, we need to simplify the existing return path in CSS JIT. 1022973 1 235054 ysuzuki 2014-07-16 23:33:54 -0700 Created attachment 235054 Patch 1022977 2 235054 benjamin 2014-07-16 23:49:12 -0700 Comment on attachment 235054 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=235054&action=review This looks correct to me. > Source/WebCore/cssjit/SelectorCompiler.cpp:1193 > + StackAllocator::StackReference baselineStackReference; I think "baseline" is a little too generic for the name. One could think it is the top of the stack for this function. What about startOfDiscardableStack, temporaryStackBase, ... or something like that? > Source/WebCore/cssjit/StackAllocator.h:156 > + void popAndDiscardUpToBaseline() > + { > + if (!m_offsetFromTop) > + return; > + m_assembler.addPtr(JSC::MacroAssembler::TrustedImm32(m_offsetFromTop), JSC::MacroAssembler::stackPointerRegister); > + m_offsetFromTop = 0; > + } > + This is unused. 1022978 3 235054 ysuzuki 2014-07-16 23:58:22 -0700 Comment on attachment 235054 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=235054&action=review Thank you for your comments. They are reasonable. I'll reflect your comments and land it :) >> Source/WebCore/cssjit/SelectorCompiler.cpp:1193 >> + StackAllocator::StackReference baselineStackReference; > > I think "baseline" is a little too generic for the name. One could think it is the top of the stack for this function. > > What about startOfDiscardableStack, temporaryStackBase, ... or something like that? Right. `temporaryStackBase` looks suitable for me :) I'll change it. >> Source/WebCore/cssjit/StackAllocator.h:156 >> + > > This is unused. Oops! Thank you, removing. 1022980 4 ysuzuki 2014-07-17 00:58:55 -0700 Committed r171177: <http://trac.webkit.org/changeset/171177> 235054 2014-07-16 23:33:54 -0700 2014-07-16 23:58:22 -0700 Patch bug-135011-20140717153540.patch text/plain 7638 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMTcxMTM4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggMGE2YThmMjRhMmY1Nzdi MGIwM2ZiNDMxYzFhOGRmY2ZlYzIxMWQ3MC4uYzg1ZTY1MzlkYTQxZDBmY2ZmNWEzN2JlYzI2ZmZi ZTA4MjM4Mzk5NiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIxIEBACisyMDE0LTA3LTE2ICBZdXN1 a2UgU3V6dWtpICA8dXRhdGFuZS50ZWFAZ21haWwuY29tPgorCisgICAgICAgIENTUyBKSVQ6IENs ZWFuIHVwIHJldHVybiBwYXRoCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3df YnVnLmNnaT9pZD0xMzUwMTEKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4K KworICAgICAgICBDbGVhbiB1cCB0aGUgZXhpc3RpbmcgQ1NTIEpJVCByZXR1cm4gcGF0aCBiZWZv cmUgYWRkaW5nIG5ldyBlYXJseSByZXR1cm4gcGF0aAorICAgICAgICBmb3IgcHNldWRvIGVsZW1l bnRzLgorCisgICAgICAgICogY3Nzaml0L1NlbGVjdG9yQ29tcGlsZXIuY3BwOgorICAgICAgICAo V2ViQ29yZTo6U2VsZWN0b3JDb21waWxlcjo6U2VsZWN0b3JDb2RlR2VuZXJhdG9yOjpnZW5lcmF0 ZVNlbGVjdG9yQ2hlY2tlcik6CisgICAgICAgICogY3Nzaml0L1N0YWNrQWxsb2NhdG9yLmg6Cisg ICAgICAgIChXZWJDb3JlOjpTdGFja0FsbG9jYXRvcjo6U3RhY2tSZWZlcmVuY2U6OlN0YWNrUmVm ZXJlbmNlKToKKyAgICAgICAgKFdlYkNvcmU6OlN0YWNrQWxsb2NhdG9yOjpTdGFja1JlZmVyZW5j ZTo6aXNWYWxpZCk6CisgICAgICAgIChXZWJDb3JlOjpTdGFja0FsbG9jYXRvcjo6cG9wQW5kRGlz Y2FyZFVwVG9CYXNlbGluZSk6CisgICAgICAgIChXZWJDb3JlOjpTdGFja0FsbG9jYXRvcjo6cG9w QW5kRGlzY2FyZCk6IERlbGV0ZWQuCisKIDIwMTQtMDctMTUgIFl1c3VrZSBTdXp1a2kgIDx1dGF0 YW5lLnRlYUBnbWFpbC5jb20+CiAKICAgICAgICAgQ1NTOiBHZW5lcmFsaXplIENTUyBGaXJzdCBM ZXR0ZXIgdHJlYXRtZW50CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9jc3NqaXQvU2VsZWN0 b3JDb21waWxlci5jcHAgYi9Tb3VyY2UvV2ViQ29yZS9jc3NqaXQvU2VsZWN0b3JDb21waWxlci5j cHAKaW5kZXggMmUyOWI5YTQxMzNhMjk0ZTNjMzc2OGMyYzM3MTMyOTRiZDdhMWYxNy4uM2IyMzhh MDYwNWQyOWFjNGEzNmM3NmM3MmQ2OGMwZTY1YzIwN2VhZSAxMDA2NDQKLS0tIGEvU291cmNlL1dl YkNvcmUvY3Nzaml0L1NlbGVjdG9yQ29tcGlsZXIuY3BwCisrKyBiL1NvdXJjZS9XZWJDb3JlL2Nz c2ppdC9TZWxlY3RvckNvbXBpbGVyLmNwcApAQCAtMTE5MCwxMiArMTE5MCwyMCBAQCB2b2lkIFNl bGVjdG9yQ29kZUdlbmVyYXRvcjo6Z2VuZXJhdGVTZWxlY3RvckNoZWNrZXIoKQogCiAgICAgbV9y ZWdpc3RlckFsbG9jYXRvci5hbGxvY2F0ZVJlZ2lzdGVyKGVsZW1lbnRBZGRyZXNzUmVnaXN0ZXIp OwogCisgICAgU3RhY2tBbGxvY2F0b3I6OlN0YWNrUmVmZXJlbmNlIGJhc2VsaW5lU3RhY2tSZWZl cmVuY2U7CisKICAgICBpZiAobV9mdW5jdGlvblR5cGUgPT0gRnVuY3Rpb25UeXBlOjpTZWxlY3Rv ckNoZWNrZXJXaXRoQ2hlY2tpbmdDb250ZXh0KQogICAgICAgICBtX2NoZWNraW5nQ29udGV4dFN0 YWNrUmVmZXJlbmNlID0gbV9zdGFja0FsbG9jYXRvci5wdXNoKGNoZWNraW5nQ29udGV4dFJlZ2lz dGVyKTsKIAogICAgIGlmIChtX25lZWRzQWRqYWNlbnRCYWNrdHJhY2tpbmdTdGFydCkKICAgICAg ICAgbV9hZGphY2VudEJhY2t0cmFja2luZ1N0YXJ0ID0gbV9zdGFja0FsbG9jYXRvci5hbGxvY2F0 ZVVuaW5pdGlhbGl6ZWQoKTsKIAorICAgIC8vIFJlbWVtYmVyIHRoZSBiYXNlbGluZSBvZiB0aGUg c3RhY2suCisgICAgaWYgKG1fY2hlY2tpbmdDb250ZXh0U3RhY2tSZWZlcmVuY2UuaXNWYWxpZCgp KQorICAgICAgICBiYXNlbGluZVN0YWNrUmVmZXJlbmNlID0gbV9jaGVja2luZ0NvbnRleHRTdGFj a1JlZmVyZW5jZTsKKyAgICBlbHNlIGlmIChtX25lZWRzQWRqYWNlbnRCYWNrdHJhY2tpbmdTdGFy dCkKKyAgICAgICAgYmFzZWxpbmVTdGFja1JlZmVyZW5jZSA9IG1fYWRqYWNlbnRCYWNrdHJhY2tp bmdTdGFydDsKKwogICAgIEFzc2VtYmxlcjo6SnVtcExpc3QgZmFpbHVyZUNhc2VzOwogCiAgICAg Zm9yICh1bnNpZ25lZCBpID0gMDsgaSA8IG1fc2VsZWN0b3JGcmFnbWVudHMuc2l6ZSgpOyArK2kp IHsKQEAgLTEyMjMsNyArMTIzMSw4IEBAIHZvaWQgU2VsZWN0b3JDb2RlR2VuZXJhdG9yOjpnZW5l cmF0ZVNlbGVjdG9yQ2hlY2tlcigpCiAgICAgbV9yZWdpc3RlckFsbG9jYXRvci5kZWFsbG9jYXRl UmVnaXN0ZXIoZWxlbWVudEFkZHJlc3NSZWdpc3Rlcik7CiAKICAgICBpZiAobV9mdW5jdGlvblR5 cGUgPT0gRnVuY3Rpb25UeXBlOjpTaW1wbGVTZWxlY3RvckNoZWNrZXIpIHsKLSAgICAgICAgaWYg KCFtX25lZWRzQWRqYWNlbnRCYWNrdHJhY2tpbmdTdGFydCAmJiAhcmVzZXJ2ZWRDYWxsZWVTYXZl ZFJlZ2lzdGVycyAmJiAhbmVlZHNFcGlsb2d1ZSkgeworICAgICAgICBpZiAoIWJhc2VsaW5lU3Rh Y2tSZWZlcmVuY2UuaXNWYWxpZCgpICYmICFyZXNlcnZlZENhbGxlZVNhdmVkUmVnaXN0ZXJzICYm ICFuZWVkc0VwaWxvZ3VlKSB7CisgICAgICAgICAgICBBU1NFUlQoIW1fbmVlZHNBZGphY2VudEJh Y2t0cmFja2luZ1N0YXJ0KTsKICAgICAgICAgICAgIC8vIFN1Y2Nlc3MuCiAgICAgICAgICAgICBt X2Fzc2VtYmxlci5tb3ZlKEFzc2VtYmxlcjo6VHJ1c3RlZEltbTMyKDEpLCByZXR1cm5SZWdpc3Rl cik7CiAgICAgICAgICAgICBtX2Fzc2VtYmxlci5yZXQoKTsKQEAgLTEyMzQsNDcgKzEyNDMsMjgg QEAgdm9pZCBTZWxlY3RvckNvZGVHZW5lcmF0b3I6OmdlbmVyYXRlU2VsZWN0b3JDaGVja2VyKCkK ICAgICAgICAgICAgICAgICBtX2Fzc2VtYmxlci5tb3ZlKEFzc2VtYmxlcjo6VHJ1c3RlZEltbTMy KDApLCByZXR1cm5SZWdpc3Rlcik7CiAgICAgICAgICAgICAgICAgbV9hc3NlbWJsZXIucmV0KCk7 CiAgICAgICAgICAgICB9Ci0gICAgICAgIH0gZWxzZSB7Ci0gICAgICAgICAgICAvLyBTdWNjZXNz LgotICAgICAgICAgICAgbV9hc3NlbWJsZXIubW92ZShBc3NlbWJsZXI6OlRydXN0ZWRJbW0zMigx KSwgcmV0dXJuUmVnaXN0ZXIpOwotCi0gICAgICAgICAgICAvLyBGYWlsdXJlLgotICAgICAgICAg ICAgaWYgKCFmYWlsdXJlQ2FzZXMuZW1wdHkoKSkgewotICAgICAgICAgICAgICAgIEFzc2VtYmxl cjo6SnVtcCBza2lwRmFpbHVyZUNhc2UgPSBtX2Fzc2VtYmxlci5qdW1wKCk7Ci0gICAgICAgICAg ICAgICAgZmFpbHVyZUNhc2VzLmxpbmsoJm1fYXNzZW1ibGVyKTsKLSAgICAgICAgICAgICAgICBt X2Fzc2VtYmxlci5tb3ZlKEFzc2VtYmxlcjo6VHJ1c3RlZEltbTMyKDApLCByZXR1cm5SZWdpc3Rl cik7Ci0gICAgICAgICAgICAgICAgc2tpcEZhaWx1cmVDYXNlLmxpbmsoJm1fYXNzZW1ibGVyKTsK LSAgICAgICAgICAgIH0KLQotICAgICAgICAgICAgaWYgKG1fbmVlZHNBZGphY2VudEJhY2t0cmFj a2luZ1N0YXJ0KQotICAgICAgICAgICAgICAgIG1fc3RhY2tBbGxvY2F0b3IucG9wQW5kRGlzY2Fy ZFVwVG8obV9hZGphY2VudEJhY2t0cmFja2luZ1N0YXJ0KTsKLSAgICAgICAgICAgIGlmIChyZXNl cnZlZENhbGxlZVNhdmVkUmVnaXN0ZXJzKQotICAgICAgICAgICAgICAgIG1fc3RhY2tBbGxvY2F0 b3IucG9wKGNhbGxlZVNhdmVkUmVnaXN0ZXJTdGFja1JlZmVyZW5jZXMsIG1fcmVnaXN0ZXJBbGxv Y2F0b3IucmVzdG9yZUNhbGxlZVNhdmVkUmVnaXN0ZXJzKCkpOwotICAgICAgICAgICAgaWYgKG5l ZWRzRXBpbG9ndWUpCi0gICAgICAgICAgICAgICAgZ2VuZXJhdGVFcGlsb2d1ZSgpOwotICAgICAg ICAgICAgbV9hc3NlbWJsZXIucmV0KCk7CisgICAgICAgICAgICByZXR1cm47CiAgICAgICAgIH0K LSAgICB9IGVsc2UgewotICAgICAgICBBU1NFUlQobV9mdW5jdGlvblR5cGUgPT0gRnVuY3Rpb25U eXBlOjpTZWxlY3RvckNoZWNrZXJXaXRoQ2hlY2tpbmdDb250ZXh0KTsKLQotICAgICAgICAvLyBT dWNjZXNzLgotICAgICAgICBtX2Fzc2VtYmxlci5tb3ZlKEFzc2VtYmxlcjo6VHJ1c3RlZEltbTMy KDEpLCByZXR1cm5SZWdpc3Rlcik7CisgICAgfQogCi0gICAgICAgIC8vIEZhaWx1cmUuCi0gICAg ICAgIGlmICghZmFpbHVyZUNhc2VzLmVtcHR5KCkpIHsKLSAgICAgICAgICAgIEFzc2VtYmxlcjo6 SnVtcCBza2lwRmFpbHVyZUNhc2UgPSBtX2Fzc2VtYmxlci5qdW1wKCk7Ci0gICAgICAgICAgICBm YWlsdXJlQ2FzZXMubGluaygmbV9hc3NlbWJsZXIpOwotICAgICAgICAgICAgbV9hc3NlbWJsZXIu bW92ZShBc3NlbWJsZXI6OlRydXN0ZWRJbW0zMigwKSwgcmV0dXJuUmVnaXN0ZXIpOwotICAgICAg ICAgICAgc2tpcEZhaWx1cmVDYXNlLmxpbmsoJm1fYXNzZW1ibGVyKTsKLSAgICAgICAgfQorICAg IC8vIFN1Y2Nlc3MuCisgICAgbV9hc3NlbWJsZXIubW92ZShBc3NlbWJsZXI6OlRydXN0ZWRJbW0z MigxKSwgcmV0dXJuUmVnaXN0ZXIpOwogCi0gICAgICAgIG1fc3RhY2tBbGxvY2F0b3IucG9wQW5k RGlzY2FyZFVwVG8obV9jaGVja2luZ0NvbnRleHRTdGFja1JlZmVyZW5jZSk7Ci0gICAgICAgIGlm IChyZXNlcnZlZENhbGxlZVNhdmVkUmVnaXN0ZXJzKQotICAgICAgICAgICAgbV9zdGFja0FsbG9j YXRvci5wb3AoY2FsbGVlU2F2ZWRSZWdpc3RlclN0YWNrUmVmZXJlbmNlcywgbV9yZWdpc3RlckFs bG9jYXRvci5yZXN0b3JlQ2FsbGVlU2F2ZWRSZWdpc3RlcnMoKSk7Ci0gICAgICAgIGlmIChuZWVk c0VwaWxvZ3VlKQotICAgICAgICAgICAgZ2VuZXJhdGVFcGlsb2d1ZSgpOwotICAgICAgICBtX2Fz c2VtYmxlci5yZXQoKTsKKyAgICAvLyBGYWlsdXJlLgorICAgIGlmICghZmFpbHVyZUNhc2VzLmVt cHR5KCkpIHsKKyAgICAgICAgQXNzZW1ibGVyOjpKdW1wIHNraXBGYWlsdXJlQ2FzZSA9IG1fYXNz ZW1ibGVyLmp1bXAoKTsKKyAgICAgICAgZmFpbHVyZUNhc2VzLmxpbmsoJm1fYXNzZW1ibGVyKTsK KyAgICAgICAgbV9hc3NlbWJsZXIubW92ZShBc3NlbWJsZXI6OlRydXN0ZWRJbW0zMigwKSwgcmV0 dXJuUmVnaXN0ZXIpOworICAgICAgICBza2lwRmFpbHVyZUNhc2UubGluaygmbV9hc3NlbWJsZXIp OwogICAgIH0KKworICAgIGlmIChiYXNlbGluZVN0YWNrUmVmZXJlbmNlLmlzVmFsaWQoKSkKKyAg ICAgICAgbV9zdGFja0FsbG9jYXRvci5wb3BBbmREaXNjYXJkVXBUbyhiYXNlbGluZVN0YWNrUmVm ZXJlbmNlKTsKKyAgICBpZiAocmVzZXJ2ZWRDYWxsZWVTYXZlZFJlZ2lzdGVycykKKyAgICAgICAg bV9zdGFja0FsbG9jYXRvci5wb3AoY2FsbGVlU2F2ZWRSZWdpc3RlclN0YWNrUmVmZXJlbmNlcywg bV9yZWdpc3RlckFsbG9jYXRvci5yZXN0b3JlQ2FsbGVlU2F2ZWRSZWdpc3RlcnMoKSk7CisgICAg aWYgKG5lZWRzRXBpbG9ndWUpCisgICAgICAgIGdlbmVyYXRlRXBpbG9ndWUoKTsKKyAgICBtX2Fz c2VtYmxlci5yZXQoKTsKIH0KIAogc3RhdGljIGlubGluZSBBc3NlbWJsZXI6Okp1bXAgdGVzdElz RWxlbWVudEZsYWdPbk5vZGUoQXNzZW1ibGVyOjpSZXN1bHRDb25kaXRpb24gY29uZGl0aW9uLCBB c3NlbWJsZXImIGFzc2VtYmxlciwgQXNzZW1ibGVyOjpSZWdpc3RlcklEIG5vZGVBZGRyZXNzKQpk aWZmIC0tZ2l0IGEvU291cmNlL1dlYkNvcmUvY3Nzaml0L1N0YWNrQWxsb2NhdG9yLmggYi9Tb3Vy Y2UvV2ViQ29yZS9jc3NqaXQvU3RhY2tBbGxvY2F0b3IuaAppbmRleCBiMWUxY2RmYWQxYjZkZjEz ZjcxN2FlNGY3Y2NhNjBkMGJiNWJlNmZkLi43OWVhMzdmMjFhNzViZmM1MGFkMTVhY2FhMjc2MDMw ZDRlYWMzZGUzIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29yZS9jc3NqaXQvU3RhY2tBbGxvY2F0 b3IuaAorKysgYi9Tb3VyY2UvV2ViQ29yZS9jc3NqaXQvU3RhY2tBbGxvY2F0b3IuaApAQCAtMzAs NiArMzAsNyBAQAogCiAjaW5jbHVkZSAiUmVnaXN0ZXJBbGxvY2F0b3IuaCIKICNpbmNsdWRlIDxK YXZhU2NyaXB0Q29yZS9NYWNyb0Fzc2VtYmxlci5oPgorI2luY2x1ZGUgPGxpbWl0cz4KIAogbmFt ZXNwYWNlIFdlYkNvcmUgewogCkBAIC0zOCwxMiArMzksMTMgQEAgY2xhc3MgU3RhY2tBbGxvY2F0 b3IgewogICAgIGNsYXNzIFN0YWNrUmVmZXJlbmNlIHsKICAgICBwdWJsaWM6CiAgICAgICAgIFN0 YWNrUmVmZXJlbmNlKCkKLSAgICAgICAgICAgIDogbV9vZmZzZXRGcm9tVG9wKC0xKQorICAgICAg ICAgICAgOiBtX29mZnNldEZyb21Ub3Aoc3RkOjpudW1lcmljX2xpbWl0czx1bnNpZ25lZD46Om1h eCgpKQogICAgICAgICB7IH0KICAgICAgICAgZXhwbGljaXQgU3RhY2tSZWZlcmVuY2UodW5zaWdu ZWQgb2Zmc2V0KQogICAgICAgICAgICAgOiBtX29mZnNldEZyb21Ub3Aob2Zmc2V0KQogICAgICAg ICB7IH0KICAgICAgICAgb3BlcmF0b3IgdW5zaWduZWQoKSBjb25zdCB7IHJldHVybiBtX29mZnNl dEZyb21Ub3A7IH0KKyAgICAgICAgYm9vbCBpc1ZhbGlkKCkgY29uc3QgeyByZXR1cm4gbV9vZmZz ZXRGcm9tVG9wICE9IHN0ZDo6bnVtZXJpY19saW1pdHM8dW5zaWduZWQ+OjptYXgoKTsgfQogICAg IHByaXZhdGU6CiAgICAgICAgIHVuc2lnbmVkIG1fb2Zmc2V0RnJvbVRvcDsKICAgICB9OwpAQCAt MTM0LDEzICsxMzYsNiBAQCBjbGFzcyBTdGFja0FsbG9jYXRvciB7CiAgICAgICAgIG1fYXNzZW1i bGVyLnBvcFRvUmVzdG9yZShyZWdpc3RlcklEKTsKICAgICB9CiAKLSAgICB2b2lkIHBvcEFuZERp c2NhcmQoU3RhY2tSZWZlcmVuY2Ugc3RhY2tSZWZlcmVuY2UpCi0gICAgewotICAgICAgICBSRUxF QVNFX0FTU0VSVChzdGFja1JlZmVyZW5jZSA9PSBtX29mZnNldEZyb21Ub3ApOwotICAgICAgICBt X2Fzc2VtYmxlci5hZGRQdHIoSlNDOjpNYWNyb0Fzc2VtYmxlcjo6VHJ1c3RlZEltbTMyKHN0YWNr VW5pdEluQnl0ZXMoKSksIEpTQzo6TWFjcm9Bc3NlbWJsZXI6OnN0YWNrUG9pbnRlclJlZ2lzdGVy KTsKLSAgICAgICAgbV9vZmZzZXRGcm9tVG9wIC09IHN0YWNrVW5pdEluQnl0ZXMoKTsKLSAgICB9 Ci0KICAgICB2b2lkIHBvcEFuZERpc2NhcmRVcFRvKFN0YWNrUmVmZXJlbmNlIHN0YWNrUmVmZXJl bmNlKQogICAgIHsKICAgICAgICAgdW5zaWduZWQgcG9zaXRpb25CZWZvcmVTdGFja1JlZmVyZW5j ZSA9IHN0YWNrUmVmZXJlbmNlIC0gc3RhY2tVbml0SW5CeXRlcygpOwpAQCAtMTUxLDYgKzE0Niwx NCBAQCBjbGFzcyBTdGFja0FsbG9jYXRvciB7CiAgICAgICAgIG1fb2Zmc2V0RnJvbVRvcCAtPSBz dGFja0RlbHRhOwogICAgIH0KIAorICAgIHZvaWQgcG9wQW5kRGlzY2FyZFVwVG9CYXNlbGluZSgp CisgICAgeworICAgICAgICBpZiAoIW1fb2Zmc2V0RnJvbVRvcCkKKyAgICAgICAgICAgIHJldHVy bjsKKyAgICAgICAgbV9hc3NlbWJsZXIuYWRkUHRyKEpTQzo6TWFjcm9Bc3NlbWJsZXI6OlRydXN0 ZWRJbW0zMihtX29mZnNldEZyb21Ub3ApLCBKU0M6Ok1hY3JvQXNzZW1ibGVyOjpzdGFja1BvaW50 ZXJSZWdpc3Rlcik7CisgICAgICAgIG1fb2Zmc2V0RnJvbVRvcCA9IDA7CisgICAgfQorCiAgICAg dm9pZCBhbGlnblN0YWNrUHJlRnVuY3Rpb25DYWxsKCkKICAgICB7CiAjaWYgQ1BVKFg4Nl82NCkK