Bug 97288

Summary: JSC should infer when indexed storage is contiguous, and optimize for it
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, benjamin, ggaren, gustavo, gyuyoung.kim, mark.lam, mhahnenberg, msaboff, oliver, ossy, philn, rakuco, webkit.review.bot, xan.lopez
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on: 97535, 97537, 98236, 98857, 98859    
Bug Blocks: 98605, 98606, 98608    
Attachments:
Description Flags
it begins
none
it has more things
none
patching is done
none
dfg stuff has begun
none
more
none
almost there!
none
fixing things
none
it compiles!
none
sunspider runs
none
it sort of works
none
new approach: holy contiguous
none
I think it's done (holy contiguous)
none
it compiles (holy contiguous)
none
it works on 64-bit, starting to make it work on 32-bit
none
the patch, possibly
none
the patch
ggaren: review-, webkit-ews: commit-queue-
the patch
webkit-ews: commit-queue-
the patch
gyuyoung.kim: commit-queue-
the patch
webkit-ews: commit-queue-
the patch
buildbot: commit-queue-
the patch
mhahnenberg: review+, buildbot: commit-queue-
patch for landing none

Filip Pizlo
Reported 2012-09-20 20:47:27 PDT
Monster work in progress patch coming soon to an attachment near you.
Attachments
it begins (58.91 KB, patch)
2012-09-20 20:51 PDT, Filip Pizlo
no flags
it has more things (89.55 KB, patch)
2012-09-23 16:41 PDT, Filip Pizlo
no flags
patching is done (105.28 KB, patch)
2012-09-23 20:15 PDT, Filip Pizlo
no flags
dfg stuff has begun (126.65 KB, patch)
2012-09-25 00:37 PDT, Filip Pizlo
no flags
more (156.16 KB, patch)
2012-09-26 01:20 PDT, Filip Pizlo
no flags
almost there! (173.34 KB, patch)
2012-09-26 11:32 PDT, Filip Pizlo
no flags
fixing things (195.10 KB, patch)
2012-09-26 13:25 PDT, Filip Pizlo
no flags
it compiles! (200.05 KB, patch)
2012-09-27 00:17 PDT, Filip Pizlo
no flags
sunspider runs (221.53 KB, patch)
2012-09-29 17:56 PDT, Filip Pizlo
no flags
it sort of works (224.65 KB, patch)
2012-09-29 23:14 PDT, Filip Pizlo
no flags
new approach: holy contiguous (247.63 KB, patch)
2012-09-30 18:07 PDT, Filip Pizlo
no flags
I think it's done (holy contiguous) (246.87 KB, patch)
2012-09-30 18:34 PDT, Filip Pizlo
no flags
it compiles (holy contiguous) (238.88 KB, patch)
2012-09-30 20:24 PDT, Filip Pizlo
no flags
it works on 64-bit, starting to make it work on 32-bit (255.48 KB, patch)
2012-10-04 19:46 PDT, Filip Pizlo
no flags
the patch, possibly (299.14 KB, patch)
2012-10-04 21:56 PDT, Filip Pizlo
no flags
the patch (303.71 KB, patch)
2012-10-06 15:32 PDT, Filip Pizlo
ggaren: review-
webkit-ews: commit-queue-
the patch (306.15 KB, patch)
2012-10-07 22:03 PDT, Filip Pizlo
webkit-ews: commit-queue-
the patch (311.78 KB, patch)
2012-10-08 00:10 PDT, Filip Pizlo
gyuyoung.kim: commit-queue-
the patch (311.80 KB, patch)
2012-10-08 01:03 PDT, Filip Pizlo
webkit-ews: commit-queue-
the patch (312.02 KB, patch)
2012-10-08 13:45 PDT, Filip Pizlo
buildbot: commit-queue-
the patch (312.14 KB, patch)
2012-10-08 16:51 PDT, Filip Pizlo
mhahnenberg: review+
buildbot: commit-queue-
patch for landing (312.81 KB, patch)
2012-10-09 14:08 PDT, Filip Pizlo
no flags
Filip Pizlo
Comment 1 2012-09-20 20:51:45 PDT
Created attachment 165040 [details] it begins
Filip Pizlo
Comment 2 2012-09-23 16:41:55 PDT
Created attachment 165296 [details] it has more things Patchable get_by_val's in the baseline JIT. They're no fun.
Filip Pizlo
Comment 3 2012-09-23 20:15:35 PDT
Created attachment 165304 [details] patching is done get_by_val/put_by_val patching is done. still need to pull this through the DFG.
Filip Pizlo
Comment 4 2012-09-25 00:37:37 PDT
Created attachment 165542 [details] dfg stuff has begun
Filip Pizlo
Comment 5 2012-09-26 01:20:27 PDT
Created attachment 165747 [details] more Wrote a bunch of the DFG code. Not done yet.
Filip Pizlo
Comment 6 2012-09-26 11:32:34 PDT
Created attachment 165838 [details] almost there! Code is written but it hasn't been compiled or tested. Oh, and I haven't done anything about 32-bit yet.
Filip Pizlo
Comment 7 2012-09-26 13:25:27 PDT
Created attachment 165861 [details] fixing things
Filip Pizlo
Comment 8 2012-09-27 00:17:50 PDT
Created attachment 165945 [details] it compiles!
Filip Pizlo
Comment 9 2012-09-29 17:56:29 PDT
Created attachment 166374 [details] sunspider runs I don't know how fast it runs, but at least it runs. Still lots more work to do before this patch is complete.
Filip Pizlo
Comment 10 2012-09-29 23:14:27 PDT
Created attachment 166379 [details] it sort of works I'm sort of reconsidering whether my idea of ridding the world of holes was the right approach. Although this patch is already a speed-up, it's looking like it would be an even clearer win if I did have some support for holes in contiguous arrays.
Filip Pizlo
Comment 11 2012-09-30 18:07:53 PDT
Created attachment 166395 [details] new approach: holy contiguous Note yet done.
Filip Pizlo
Comment 12 2012-09-30 18:34:55 PDT
Created attachment 166397 [details] I think it's done (holy contiguous) Still haven't compiled it yet. What could go wrong.
Filip Pizlo
Comment 13 2012-09-30 20:24:06 PDT
Created attachment 166401 [details] it compiles (holy contiguous) Don't know if it does things yet.
Filip Pizlo
Comment 14 2012-10-04 19:46:40 PDT
Created attachment 167234 [details] it works on 64-bit, starting to make it work on 32-bit
Filip Pizlo
Comment 15 2012-10-04 21:56:07 PDT
Created attachment 167244 [details] the patch, possibly I wrote the 32-bit code but I'm not sure if it works, yet.
Filip Pizlo
Comment 16 2012-10-06 15:32:23 PDT
Created attachment 167462 [details] the patch It's ready!
WebKit Review Bot
Comment 17 2012-10-06 15:35:49 PDT
Attachment 167462 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/ChangeLog', u'Source..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:695: The parameter name "butterfly" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSObject.h:764: The parameter name "globalData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.cpp:1118: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1430: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1465: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.h:151: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:152: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:152: The parameter name "storage" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:156: The parameter name "callType" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:156: The parameter name "callData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:202: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Total errors found: 12 in 52 files If any of these errors are false positives, please file a bug against check-webkit-style.
Early Warning System Bot
Comment 18 2012-10-06 15:49:16 PDT
Early Warning System Bot
Comment 19 2012-10-06 15:51:49 PDT
Comment on attachment 167462 [details] the patch Attachment 167462 [details] did not pass qt-wk2-ews (qt): Output: http://queues.webkit.org/results/14181802
Build Bot
Comment 20 2012-10-06 15:55:39 PDT
Gyuyoung Kim
Comment 21 2012-10-06 16:07:54 PDT
Build Bot
Comment 22 2012-10-06 19:01:37 PDT
Comment on attachment 167462 [details] the patch Attachment 167462 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/14181834 New failing tests: fast/js/array-bad-time.html fast/js/cross-frame-really-bad-time-with-__proto__.html fast/js/mozilla/strict/15.4.4.12.html fast/js/array-slow-put.html fast/js/dfg-array-push-bad-time.html fast/js/cross-frame-really-bad-time.html fast/js/array-defineOwnProperty.html sputnik/Conformance/15_Native_Objects/15.4_Array/15.4.4/15.4.4.6_Array_prototype_pop/S15.4.4.6_A4_T1.html fast/js/Object-defineProperty.html fast/dom/message-port-deleted-by-accessor.html fast/canvas/webgl/shader-deleted-by-accessor.html fast/js/dfg-holy-put-by-val-interferes-with-get-array-length.html fast/js/dfg-array-push-slow-put.html fast/js/object-bad-time.html fast/js/dfg-array-pop-side-effects.html fast/js/mozilla/strict/15.4.4.6.html
Geoffrey Garen
Comment 23 2012-10-07 16:42:17 PDT
Comment on attachment 167462 [details] the patch Seems to be failing all the things.
Filip Pizlo
Comment 24 2012-10-07 22:03:22 PDT
Created attachment 167502 [details] the patch Still need to make the various build systems work but this one should be fine other than that.
WebKit Review Bot
Comment 25 2012-10-07 22:06:46 PDT
Attachment 167502 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/ChangeLog', u'Source..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:695: The parameter name "butterfly" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSObject.h:764: The parameter name "globalData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.cpp:1120: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1430: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1465: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.h:151: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:152: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:152: The parameter name "storage" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:156: The parameter name "callType" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:156: The parameter name "callData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:202: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Total errors found: 12 in 52 files If any of these errors are false positives, please file a bug against check-webkit-style.
Early Warning System Bot
Comment 26 2012-10-07 22:20:26 PDT
Early Warning System Bot
Comment 27 2012-10-07 22:23:40 PDT
Comment on attachment 167502 [details] the patch Attachment 167502 [details] did not pass qt-wk2-ews (qt): Output: http://queues.webkit.org/results/14223141
Build Bot
Comment 28 2012-10-07 22:29:38 PDT
Gyuyoung Kim
Comment 29 2012-10-07 22:30:13 PDT
Filip Pizlo
Comment 30 2012-10-08 00:10:43 PDT
Created attachment 167513 [details] the patch It should now pass all of the things, at least on Mac. We'll see how things go on other build systems.
WebKit Review Bot
Comment 31 2012-10-08 00:13:41 PDT
Attachment 167513 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/CMakeLists.txt', u'S..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:696: The parameter name "butterfly" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSObject.h:765: The parameter name "globalData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.cpp:1120: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1430: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1465: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.h:157: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "storage" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callType" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:208: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Total errors found: 12 in 57 files If any of these errors are false positives, please file a bug against check-webkit-style.
Gyuyoung Kim
Comment 32 2012-10-08 00:21:24 PDT
Early Warning System Bot
Comment 33 2012-10-08 00:26:27 PDT
kov's GTK+ EWS bot
Comment 34 2012-10-08 00:26:31 PDT
Early Warning System Bot
Comment 35 2012-10-08 00:29:53 PDT
Comment on attachment 167513 [details] the patch Attachment 167513 [details] did not pass qt-wk2-ews (qt): Output: http://queues.webkit.org/results/14205572
Filip Pizlo
Comment 36 2012-10-08 01:03:49 PDT
Created attachment 167517 [details] the patch
WebKit Review Bot
Comment 37 2012-10-08 01:07:26 PDT
Attachment 167517 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/CMakeLists.txt', u'S..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:696: The parameter name "butterfly" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSObject.h:765: The parameter name "globalData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.cpp:1120: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1430: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1465: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.h:157: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "storage" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callType" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:208: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Total errors found: 12 in 57 files If any of these errors are false positives, please file a bug against check-webkit-style.
Early Warning System Bot
Comment 38 2012-10-08 01:19:13 PDT
Early Warning System Bot
Comment 39 2012-10-08 01:24:17 PDT
Comment on attachment 167517 [details] the patch Attachment 167517 [details] did not pass qt-wk2-ews (qt): Output: http://queues.webkit.org/results/14221201
Build Bot
Comment 40 2012-10-08 01:35:19 PDT
Filip Pizlo
Comment 41 2012-10-08 13:45:20 PDT
Created attachment 167599 [details] the patch
WebKit Review Bot
Comment 42 2012-10-08 13:48:14 PDT
Attachment 167599 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/CMakeLists.txt', u'S..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:696: The parameter name "butterfly" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSObject.h:765: The parameter name "globalData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.cpp:1120: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1430: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1465: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.h:157: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "storage" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callType" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:208: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Total errors found: 12 in 57 files If any of these errors are false positives, please file a bug against check-webkit-style.
Build Bot
Comment 43 2012-10-08 14:29:34 PDT
Filip Pizlo
Comment 44 2012-10-08 16:51:28 PDT
Created attachment 167647 [details] the patch
WebKit Review Bot
Comment 45 2012-10-08 16:58:27 PDT
Attachment 167647 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/CMakeLists.txt', u'S..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:696: The parameter name "butterfly" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSObject.h:765: The parameter name "globalData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.cpp:1120: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1430: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/jit/JITPropertyAccess.cpp:1465: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Source/JavaScriptCore/runtime/JSArray.h:157: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "exec" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:158: The parameter name "storage" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callType" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:162: The parameter name "callData" adds no information, so it should be removed. [readability/parameter_name] [5] Source/JavaScriptCore/runtime/JSArray.h:208: Weird number of spaces at line-start. Are you using a 4-space indent? [whitespace/indent] [3] Total errors found: 12 in 57 files If any of these errors are false positives, please file a bug against check-webkit-style.
Build Bot
Comment 46 2012-10-08 19:28:50 PDT
Mark Hahnenberg
Comment 47 2012-10-09 13:43:52 PDT
Comment on attachment 167647 [details] the patch r=me with style and build fixes
Filip Pizlo
Comment 48 2012-10-09 14:08:28 PDT
Created attachment 167844 [details] patch for landing Fixing things.
WebKit Review Bot
Comment 49 2012-10-09 14:11:29 PDT
Attachment 167844 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/CMakeLists.txt', u'S..." exit_code: 1 Source/JavaScriptCore/dfg/DFGOperations.cpp:609: When wrapping a line, only indent 4 spaces. [whitespace/indent] [3] Total errors found: 1 in 58 files If any of these errors are false positives, please file a bug against check-webkit-style.
Filip Pizlo
Comment 50 2012-10-09 16:41:08 PDT
Csaba Osztrogonác
Comment 51 2012-10-09 22:16:49 PDT
(In reply to comment #50) > Landed in http://trac.webkit.org/changeset/130826 ... and buildfix landed in http://trac.webkit.org/changeset/130826 ... and it caused a serious regression on Qt-ARM: https://bugs.webkit.org/show_bug.cgi?id=98857
Csaba Osztrogonác
Comment 52 2012-10-09 22:37:07 PDT
One more regression on Qt-WK2 64 bit: https://bugs.webkit.org/show_bug.cgi?id=98859
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