101839 2012-11-10 07:03:26 -0800 REGRESSION(r133971): Causes WebProcess to hang at 100% on www.apple.com (Requested by kling on #webkit). 2012-11-10 13:24:12 -0800 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 101511 1 webkit.review.bot webkit.review.bot fpizlo oliver oldest_to_newest 763650 0 webkit.review.bot 2012-11-10 07:03:26 -0800 http://trac.webkit.org/changeset/133971 broke the build: Causes WebProcess to hang at 100% on www.apple.com (Requested by kling on #webkit). This is an automatic bug report generated by the sheriff-bot. If this bug report was created because of a flaky test, please file a bug for the flaky test (if we don't already have one on file) and dup this bug against that bug so that we can track how often these flaky tests case pain. "Only you can prevent forest fires." -- Smokey the Bear 763652 1 173451 webkit.review.bot 2012-11-10 07:04:06 -0800 Created attachment 173451 ROLLOUT of r133971 Any committer can land this patch automatically by marking it commit-queue+. The commit-queue will build and test the patch before landing to ensure that the rollout will be successful. This process takes approximately 15 minutes. If you would like to land the rollout faster, you can use the following command: webkit-patch land-attachment ATTACHMENT_ID where ATTACHMENT_ID is the ID of this attachment. 763653 2 173451 webkit.review.bot 2012-11-10 07:13:48 -0800 Comment on attachment 173451 ROLLOUT of r133971 Clearing flags on attachment: 173451 Committed r134157: <http://trac.webkit.org/changeset/134157> 763654 3 webkit.review.bot 2012-11-10 07:13:51 -0800 All reviewed patches have been landed. Closing bug. 763708 4 fpizlo 2012-11-10 13:24:12 -0800 Wow, sorry for the massive breakage! The bug is that the way I wrote the DFG's optimizations of statements of the form: if (foo) blah !foo I forgot that the empty string evaluates to false in these contexts, and instead wrote the optimization to assume that if I have a string then it's always true. The fix is to change the optimization to exclude strings from the object-isn't-false optimization. 173451 2012-11-10 07:04:06 -0800 2012-11-10 07:13:48 -0800 ROLLOUT of r133971 bug-101839-20121110151027.patch text/plain 19946 webkit.review.bot U3VidmVyc2lvbiBSZXZpc2lvbjogMTM0MTU2CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCA5 NTgzMGQ3MzlhMzM4MGUzYjcwZjE3ZGQ0NjcyZTA2NmUyYzgzYTkxLi42NTM4ODU0MTM3MzRhZTgz NDc0MjQzYmE5MjQ3MGU2MjYxZDE0NDA5IDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwyOCBAQAorMjAxMi0xMS0xMCAgU2hlcmlmZiBCb3QgIDx3ZWJraXQucmV2aWV3LmJvdEBn bWFpbC5jb20+CisKKyAgICAgICAgVW5yZXZpZXdlZCwgcm9sbGluZyBvdXQgcjEzMzk3MS4KKyAg ICAgICAgaHR0cDovL3RyYWMud2Via2l0Lm9yZy9jaGFuZ2VzZXQvMTMzOTcxCisgICAgICAgIGh0 dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDE4MzkKKworICAgICAgICBD 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