153647 2016-01-29 04:33:31 -0800 [B3] JetStream/quicksort.c fails/hangs on Linux with GCC 2016-02-02 23:10:20 -0800 1 1 1 Unclassified WebKit JavaScriptCore Other Unspecified Unspecified RESOLVED FIXED P2 Normal --- 152248 153478 1 ossy ysuzuki benjamin commit-queue fpizlo ggaren keith_miller mark.lam mcatanzaro msaboff ossy saam ysuzuki oldest_to_newest 1160085 0 ossy 2016-01-29 04:33:31 -0800 With enabled B3-FTL, JetStream hangs during running quicksort.c benchmark. Once I got "error" message instead of number, but almost always it stucks in an infinite loop with 100% CPU load. No problem with LLVM-FTL. 1160088 1 ossy 2016-01-29 05:11:03 -0800 It seems it is one more GCC/Clang related issue. quicksort.c test fails with GCC, but no problem with Clang. 1160105 2 mcatanzaro 2016-01-29 06:48:44 -0800 Oh "good," so it will seem fine for developers but be broken for all our users. 1160477 3 ysuzuki 2016-01-30 10:28:56 -0800 With GCC 4.9 debug build, it does not occur. I guess there are some issue about C++ ill-formed code. 1160490 4 ysuzuki 2016-01-30 11:22:22 -0800 Ah, ok, I've found the issue. I'll create the patch for that. 1160511 5 ysuzuki 2016-01-30 12:25:04 -0800 I'm now creating the patch. But seeing the result, this issue may fix script-tests/array-enumerators-functions.js at the same time. If it is fixed, Linux x64 GTK B3 works completely :D 1160515 6 270314 ysuzuki 2016-01-30 12:50:14 -0800 Created attachment 270314 Patch 1160517 7 commit-queue 2016-01-30 12:51:44 -0800 Attachment 270314 did not pass style-queue: ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:107: One space before end of line comments [whitespace/comments] [5] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:109: One space before end of line comments [whitespace/comments] [5] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:111: One space before end of line comments [whitespace/comments] [5] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:117: Multi line control clauses should use braces. [whitespace/braces] [4] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:117: One space before end of line comments [whitespace/comments] [5] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:123: Multi line control clauses should use braces. [whitespace/braces] [4] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:123: One space before end of line comments [whitespace/comments] [5] ERROR: Source/JavaScriptCore/b3/B3ComputeDivisionMagic.h:128: Tests for true/false, null/non-null, and zero/non-zero should all be done without equality comparisons. [readability/comparison_to_zero] [5] Total errors found: 8 in 3 files If any of these errors are false positives, please file a bug against check-webkit-style. 1160518 8 ysuzuki 2016-01-30 12:57:19 -0800 Committed r195906: <http://trac.webkit.org/changeset/195906> 1161573 9 cgarcia 2016-02-02 23:10:20 -0800 *** Bug 153644 has been marked as a duplicate of this bug. *** 270314 2016-01-30 12:50:14 -0800 2016-01-30 12:53:10 -0800 Patch bug-153647-20160131054948.patch text/plain 7022 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMTk1ODk4CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCAw ZmQxYTI1N2I1OWEzZmFjZTY1YjJjMTYxOWM0YjA2ZTgzOTNjZDA2Li5hOGEyZjRhYmVlNWY5OThl MDhjYmNmN2ViNWFmZWJkMzRhN2ZiNGY5IDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs NSArMSwzNCBAQAogMjAxNi0wMS0zMCAgWXVzdWtlIFN1enVraSAgPHV0YXRhbmUudGVhQGdtYWls 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