mirrored from https://chromium.googlesource.com/v8/v8.git
-
Notifications
You must be signed in to change notification settings - Fork 4k
/
ChangeLog
5278 lines (2837 loc) · 148 KB
/
ChangeLog
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
2013-04-04: Version 3.17.16
Stack trace API: poison stack frames below the first strict mode frame.
(issue 2564)
Made Isolate::GetHeapStatistics robust against half-initialized
isolates (Chromium issue 2591).
Finished implementation of ES6 symbols aka. private names (issue 2158).
Performance and stability improvements on all platforms.
2013-03-21: Version 3.17.15
Rolled back API changes to maintain compatibility with older
3.17.x versions of V8.
Disable zapping of global handles in release mode.
Always mark the entire valid prefix of the descriptor array.
(Chromium issue 196331)
Use internal memcpy for CopyWords and when copying code.
(Chromium issue 196330)
Performance and stability improvements on all platforms.
2013-03-20: Version 3.17.14
Use internal memcpy when initializing code objects.
(Chromium issue 196330)
Disabled weak embedded maps because of crashes.
(Chromium issues 172489, 217858)
Performance and stability improvements on all platforms.
2013-03-19: Version 3.17.13
Turned Flags into a uint32_t typedef (Chromium issue 194749).
Performance and stability improvements on all platforms.
2013-03-18: Version 3.17.12
Unified kMaxArguments with number of bits used to encode it.
(Chromium issue 211741)
Fixed detection of |handle_smi| case in
HOptimizedGraphBuilder::HandlePolymorphicCallNamed.
(Chromium issue 196583)
Performance and stability improvements on all platforms.
2013-03-15: Version 3.17.11
Added a version of the v8::HandleScope constructor with an v8::Isolate
parameter and made AdjustAmountOfExternalAllocatedMemory an instance
method of v8::Isolate.
(issue 2487)
Fixed two register allocator bugs (off-by-one error/failure
propagation). (issue 2576)
Fixed huge heap snapshot when a heavily shared context has many
variables. (Chromium issue 145687)
Performance and stability improvements on all platforms.
2013-03-13: Version 3.17.10
Fixed heap snapshot creation for Harmony collections. (issue 2535)
Fixed register allocation corner case. (Chromium issue 177883)
Performance and stability improvements on all platforms.
2013-03-08: Version 3.17.9
Restored Function()'s expected string representation. (issue 2470)
Enabled deprecatations (again). (issue 2487)
Avoid bool to Oddball conversions by being lazy. (issue 2491)
Added %p option to --logfile.
Hardened Function()'s parsing of function literals. (issue 2470)
ES6 symbols: Refine test for getOwnPropertyNames. (issue 2158)
Performance and stability improvements on all platforms.
2013-03-07: Version 3.17.8
Added missing license headers. (Chromium issue 98597)
Inserted missing type cast in JSON.stringify. (issue 2570)
Reverted "Send SIGPROF signals on the profiler event processor thread"
(issue 2571)
Fixed Array.length, String.length and Function.prototype LoadICs on x64.
(issue 2568)
ES6 symbols: filter symbols form for-in loops and Object.keys.
(issue 2158)
Properly handle misses for StoreArrayLengthStub on ia32 and x64
(issue 2566)
Fixed x32 handling of Atomic64. (Chromium issue chromium-os:36866)
Removed "library" variable from standalone.gypi. (Chromium issue 111541)
Fixed HCheckSmiOrInt <-> HBoundsCheck interaction wrt. representations.
(issue 2556)
Enabled zapping of disposed global handles in release mode.
(Chromium issue 176056)
Added workaround for redefinition of __proto__ property. (issue 2565)
ES6 symbols: Allow symbols as property names. (issue 2158)
Performance and stability improvements on all platforms.
2013-03-04: Version 3.17.7
Limited recursion in regexp compilation by a budget.
(Chromium issue 178790)
ES6 symbols: Implemented Symbol intrinsic and basic functionality
(issue 2158)
Performance and stability improvements on all platforms.
2013-02-28: Version 3.17.6
Fixed materialization of arguments objects with unknown values.
(Chromium issue 163530)
Set default number of sweeper threads to at most four.
Performance and stability improvements on all platforms.
2013-02-27: Version 3.17.5
Made __proto__ a foreign callback on Object.prototype.
(issue 621, issue 1949 and issue 2441)
Performance and stability improvements on all platforms.
2013-02-25: Version 3.17.4
Performance and stability improvements on all platforms.
2013-02-21: Version 3.17.3
Performance and stability improvements on all platforms.
2013-02-19: Version 3.17.2
Removed bogus check for TOP register in deoptimizer.
(Chromium issue 176943)
Made the Isolate parameter mandatory for internal HandleScopes.
(issue 2487)
Fixed f.apply() optimization when declared arguments are mutated.
(issue 2539)
Performance and stability improvements on all platforms.
2013-02-14: Version 3.17.1
Performance and stability improvements on all platforms.
2013-02-13: Version 3.17.0
Enabled parallel sweeping.
Don't try to unlink instructions twice during GVN
(Chromium issue 175141)
Fixed code flusher disabling while marking incrementally.
(Chromium issue 173458, 168582)
Don't use TLS for space iterators.
(issue 2531)
Added new GetHeapStatistics API entry and deprecated old one.
Fixed DoubleStackSlot-to-DoubleStackSlot moves on ia32. Unified
platform-independent code.
(Chromium issue 173907)
Added --trace-array-abuse to help find OOB accesses.
Performance and stability improvements on all platforms.
2013-02-06: Version 3.16.14
Performance and stability improvements on all platforms.
2013-02-04: Version 3.16.13
Tagged stubs that rely on instance types as MEGAMORPHIC.
(Chromium issue 173974)
Fixed clearing of dead dependent codes and verifing of weak
embedded maps on full GC. (Chromium issue 172488,172489)
Made the arm port build cleanly with Clang.
Performance and stability improvements on all platforms.
2013-01-31: Version 3.16.12
Performance and stability improvements on all platforms.
2013-01-30: Version 3.16.11
Put making embedded maps in optimized code weak behind a flag.
(Chromium issue 172488,172489)
Performance and stability improvements on all platforms.
2013-01-25: Version 3.16.10
Avoid excessive memory usage during redundant phi elimination.
(issue 2510)
Fixed additional spec violations wrt RegExp.lastIndex.
(issue 2437)
Added Isolate parameter to Persistent class.
(issue 2487)
Performance and stability improvements on all platforms.
2013-01-24: Version 3.16.9
Made embedded maps in optimized code weak.
(issue 2073)
Fixed corner case when JSFunction is evicted from flusher.
(Chromium issue 168801)
Correctly set kCanBeDivByZero flag for HMathFloorOfDiv.
(Chromium issue 171641)
Performance and stability improvements on all platforms.
2013-01-23: Version 3.16.8
Correctly reset lastIndex in an RegExp object.
(Chromium issue 170856)
Added a workaround for Windows compilation problems related to V8EXPORT.
(issue 2507)
tools/run-tests.py: shlex.split() the value of --command-prefix
(Chromium issue 171553)
Fixed pattern detection for replacing shifts by rotation.
(Chromium issue 2499)
Performance and stability improvements on all platforms.
2013-01-21: Version 3.16.7
Removed <(library) usage from v8.gyp.
(Chromium issue 111541)
Fixed out of bounds memory access in TestJSArrayForAllocationSiteInfo.
(Chromium issue 169928)
Performance and stability improvements on all platforms.
2013-01-18: Version 3.16.6
Made the Isolate parameter mandatory in Locker and Unlocker classes.
(issue 2487)
Avoid pointer underflow in CopyCharsUnsigned.
(issue 2493)
Generate shim headers when using system v8.
(Chromium issue 165264)
Fixed arguments materialization for inlined apply().
(issue 2489)
Sync'ed laziness between BuildFunctionInfo and MakeFunctionInfo.
(Chromium issue 147497)
Added sanity check to CodeFlusher::AddCandidate.
(Chromium issue 169209)
Performance and stability improvements on all platforms.
2013-01-15: Version 3.16.5
Removed deprecated functions from V8's external API.
Prepared API for WebKit use of Latin-1.
Fixed V8 issue 2486.
Fixed Chromium issue 169723.
Performance and stability improvements on all platforms.
2013-01-11: Version 3.16.4
Fixed Chromium issues 168545 and 169209.
Performance and stability improvements on all platforms.
2013-01-09: Version 3.16.3
Improved GC performance when moving parts of a FixedArray (issue 2452).
Enabled readline on d8 while building a shared lib (issue 1781).
Fixed missing exception check in typed array constructor
(Chromium issue 168545).
Check for read-only-ness when preparing for array sort (issue 2419).
Performance and stability improvements on all platforms.
2013-01-04: Version 3.16.2
Added Makefile options to build for the Raspberry Pi (armv7=0,
arm_fpu=vfp2).
Performance and stability improvements on all platforms.
2012-12-27: Version 3.16.1
Fixed x64 MathMinMax for negative untagged int32 arguments.
(Chromium issue 164442)
Fixed FloatingPointHelper::CheckSSE2OperandIsInt32.
(issue 2458)
Performance and stability improvements on all platforms.
2012-12-21: Version 3.16.0
V8_Fatal now prints C++ stack trace in debug mode.
Added HTML-based tick processor.
Continued implementation of Object.observe (V8 issue 2409).
Fixed V8 issues 2243, 2340, 2393, 2399, 2457.
Fixed Chromium issues 125308, 165637, 166379, 166553.
Performance and stability improvements on all platforms.
2012-12-10: Version 3.15.11
Define CAN_USE_VFP2/3_INSTRUCTIONS based on arm_neon and arm_fpu GYP
flags.
Performance and stability improvements on all platforms.
2012-12-07: Version 3.15.10
Enabled optimisation of functions inside eval. (issue 2315)
Fixed spec violations in methods of Number.prototype. (issue 2443)
Added GCTracer metrics for a scavenger GC for DOM wrappers.
Performance and stability improvements on all platforms.
2012-12-06: Version 3.15.9
Fixed candidate eviction in code flusher.
(Chromium issue 159140)
Iterate through all arguments for side effects in Math.min/max.
(issue 2444)
Fixed spec violations related to regexp.lastIndex
(issue 2437, issue 2438)
Performance and stability improvements on all platforms.
2012-12-04: Version 3.15.8
Enforced stack allocation of TryCatch blocks.
(issue 2166,chromium:152389)
Fixed external exceptions in external try-catch handlers.
(issue 2166)
Activated incremental code flushing by default.
Performance and stability improvements on all platforms.
2012-11-30: Version 3.15.7
Activated code aging by default.
Included more information in --prof log.
Removed eager sweeping for lazy swept spaces. Try to find in
SlowAllocateRaw a bounded number of times a big enough memory slot.
(issue 2194)
Performance and stability improvements on all platforms.
2012-11-26: Version 3.15.6
Ensure double arrays are filled with holes when extended from
variations of empty arrays. (Chromium issue 162085)
Performance and stability improvements on all platforms.
2012-11-23: Version 3.15.5
Fixed JSON.stringify for objects with interceptor handlers.
(Chromium issue 161028)
Fixed corner case in x64 compare stubs. (issue 2416)
Performance and stability improvements on all platforms.
2012-11-16: Version 3.15.4
Fixed Array.prototype.join evaluation order. (issue 2263)
Perform CPU sampling by CPU sampling thread only iff processing thread
is not running. (issue 2364)
When using an Object as a set in Object.getOwnPropertyNames, null out
the proto. (issue 2410)
Disabled EXTRA_CHECKS in Release build.
Heap explorer: Show representation of strings.
Removed 'type' and 'arguments' properties from Error object.
(issue 2397)
Added atomics implementation for ThreadSanitizer v2.
(Chromium issue 128314)
Fixed LiveEdit crashes when object/array literal is added. (issue 2368)
Performance and stability improvements on all platforms.
2012-11-13: Version 3.15.3
Changed sample shell to send non-JS output (e.g. errors) to stderr
instead of stdout.
Correctly check for stack overflow even when interrupt is pending.
(issue 214)
Collect stack trace on stack overflow. (issue 2394)
Performance and stability improvements on all platforms.
2012-11-12: Version 3.15.2
Function::GetScriptOrigin supplies sourceURL when script name is
not available. (Chromium issue 159413)
Made formatting error message side-effect-free. (issue 2398)
Fixed length check in JSON.stringify. (Chromium issue 160010)
ES6: Added support for Set and Map clear method (issue 2400)
Fixed slack tracking when instance prototype changes.
(Chromium issue 157019)
Fixed disabling of code flusher while marking. (Chromium issue 159140)
Added a test case for object grouping in a scavenger GC (issue 2077)
Support shared library build of Android for v8.
(Chromium issue 158821)
ES6: Added support for size to Set and Map (issue 2395)
Performance and stability improvements on all platforms.
2012-11-06: Version 3.15.1
Put incremental code flushing behind a flag. (Chromium issue 159140)
Performance and stability improvements on all platforms.
2012-10-31: Version 3.15.0
Loosened aligned code target requirement on ARM (issue 2380)
Fixed JSON.parse to treat leading zeros correctly.
(Chromium issue 158185)
Performance and stability improvements on all platforms.
2012-10-22: Version 3.14.5
Killed off the SCons based build.
Added a faster API for creating v8::Integer objects.
Speeded up function deoptimization by avoiding quadratic pass over
optimized function list. (Chromium issue 155270)
Always invoke the default Array.sort functions from builtin functions.
(issue 2372)
Reverted recent CPU profiler changes because they broke --prof.
(issue 2364)
Switched code flushing to use different JSFunction field.
(issue 1609)
Performance and stability improvements on all platforms.
2012-10-15: Version 3.14.4
Allow evals for debugger even if they are prohibited in the debugee
context. (Chromium issue 154733)
Enabled --verify-heap in release mode (issue 2120)
Performance and stability improvements on all platforms.
2012-10-11: Version 3.14.3
Use native context to retrieve ErrorMessageForCodeGenerationFromStrings
(Chromium issue 155076).
Bumped variable limit further to 2^17 (Chromium issue 151625).
Performance and stability improvements on all platforms.
2012-10-10: Version 3.14.2
ARM: allowed VFP3 instructions when hardfloat is enabled.
(Chromium issue 152506)
Fixed instance_descriptors() and PushStackTraceAndDie regressions.
(Chromium issue 151749)
Made GDBJIT interface compile again. (issue 1804)
Fixed Accessors::FunctionGetPrototype's proto chain traversal.
(Chromium issue 143967)
Made sure that names of temporaries do not clash with real variables.
(issue 2322)
Rejected local module declarations. (Chromium issue 150628)
Rejected uses of lexical for-loop variable on the RHS. (issue 2322)
Fixed slot recording of code target patches.
(Chromium issue 152615,chromium:144230)
Changed the Android makefile to use GCC 4.6 instead of GCC 4.4.3.
Performance and stability improvements on all platforms.
2012-10-01: Version 3.14.1
Don't set -m32 flag when compiling with Android ARM compiler.
(Chromium issue 143889)
Restore the descriptor array before returning allocation failure.
(Chromium issue 151750)
Lowered kMaxVirtualRegisters (v8 issue 2139, Chromium issues 123822 and
128252).
Pull more recent gyp in 'make dependencies'.
Made sure that the generic KeyedStoreIC changes length and element_kind
atomically (issue 2346).
Bumped number of allowed variables per scope to 65535, to address GWT.
(Chromium issue 151625)
Support sourceURL for dynamically inserted scripts (issue 2342).
Performance and stability improvements on all platforms.
2012-09-20: Version 3.14.0
Fixed missing slot recording during clearing of CallICs.
(Chromium issue 144230)
Fixed LBoundsCheck on x64 to handle (stack slot + constant) correctly.
(Chromium issue 150729)
Fixed minus zero test. (Issue 2133)
Fixed setting array length to zero for slow elements.
(Chromium issue 146910)
Fixed lost arguments dropping in HLeaveInlined.
(Chromium issue 150545)
Fixed casting error for receiver of interceptors.
(Chromium issue 149912)
Throw a more descriptive exception when blocking 'eval' via CSP.
(Chromium issue 140191)
Fixed debugger's eval when close to stack overflow. (issue 2318)
Added checks to live edit. (issue 2297)
Switched on code compaction on incremental GCs.
Fixed caching of optimized code for OSR. (issue 2326)
Not mask exception thrown by toString in String::UtfValue etc.
(issue 2317)
Fixed API check for length of external arrays. (Chromium issue 148896)
Ensure correct enumeration indices in the dict (Chromium issue 148376)
Correctly initialize regexp global cache. (Chromium issue 148378)
Fixed arguments object materialization during deopt. (issue 2261)
Introduced new API to expose external string resource regardless of
encoding.
Fixed CHECK failure in LCodeGen::DoWrapReceiver when
--deopt-every-n-times flag is present
(Chromium issue 148389)
Fixed edge case of extension with NULL as source string.
(Chromium issue 144649)
Fixed array index dehoisting. (Chromium issue 141395)
Performance and stability improvements on all platforms.
2012-09-11: Version 3.13.7
Enable/disable LiveEdit using the (C++) debug API.
Performance and stability improvements on all platforms.
2012-09-06: Version 3.13.6
Added validity checking to API functions and calls.
Disabled accessor inlining (Chromium issue 134609).
Fixed bug in Math.min/max in optimized code (Chromium issue 145961).
Directly use %ObjectKeys in json stringify (Chromium issue 2312).
Fixed VS2005 build (issue 2313).
Activated fixed ES5 readonly semantics by default.
Added hardfp flag to the Makefile.
Performance and stability improvements on all platforms.
2012-08-29: Version 3.13.5
Release stack trace data after firing Error.stack accessor.
(issue 2308)
Added a new API V8::SetJitCodeEventHandler to push code name and
location to users such as profilers.
Allocate block-scoped global bindings to global context.
Performance and stability improvements on all platforms.
2012-08-28: Version 3.13.4
Print reason for disabling optimization. Kill --trace-bailout flag.
Provided option to disable full DEBUG build on Android.
Introduced global contexts to represent lexical global scope(s).
Fixed rounding in Uint8ClampedArray setter. (issue 2294)
Performance and stability improvements on all platforms.
2012-08-21: Version 3.13.3
Performance and stability improvements on all platforms.
2012-08-20: Version 3.13.2
Performance and stability improvements on all platforms.
2012-08-16: Version 3.13.1
Performance and stability improvements on all platforms.
2012-08-10: Version 3.13.0
Added histograms for total allocated/live heap size, as well as
allocated size and percentage of total for map and cell space.
Fixed parseInt's octal parsing behavior (ECMA-262 Annex E 15.1.2.2).
(issue 1645)
Added checks for interceptors to negative lookup code in Crankshaft.
(Chromium issue 140473)
Made incremental marking clear ICs and type feedback cells.
Performance and stability improvements on all platforms.
2012-08-01: Version 3.12.19
Performance and stability improvements on all platforms.
2012-07-30: Version 3.12.18
Forced using bit-pattern for signed zero double. (issue 2239)
Made sure double to int conversion is correct. (issue 2260)
Performance and stability improvements on all platforms.
2012-07-27: Version 3.12.17
Always set the callee's context when calling a function from optimized
code.
(Chromium issue 138887)
Fixed building with GCC 3.x
(issue 2016, 2017)
Improved API calls that return empty handles.
(issue 2245)
Performance and stability improvements on all platforms.
2012-07-25: Version 3.12.16
Performance and stability improvements on all platforms.
2012-07-24: Version 3.12.15
Added PRESERVE_ASCII_NULL option to String::WriteAscii.
(issue 2252)
Added dependency to HLoadKeyed* instructions to prevent invalid
hoisting. (Chromium issue 137768)
Enabled building d8 for Android on Mac.
Interpret negative hexadecimal literals as NaN.
(issue 2240)
Expose counters in javascript when using --track-gc-object-stats.
Enabled building and testing V8 on Android IA.
Added --trace-parse flag to parser.
Performance and stability improvements on all platforms.
2012-07-18: Version 3.12.14
Deactivated optimization of packed arrays.
(Chromium issue 137768)
Fixed broken accessor transition.
(Chromium issue 137689)
Performance and stability improvements on all platforms.
2012-07-17: Version 3.12.13
Fixed missing tagging of stack value in finally block.
(Chromium issue 137496)
Added more support for heap analysis.
Performance and stability improvements on all platforms.
2012-07-16: Version 3.12.12
Added an option to the tickprocessor to specify the directory for lib
lookup.
Fixed ICs for slow objects with native accessor (Chromium issue 137002).
Fixed transcendental cache on ARM in optimized code (issue 2234).
New heap inspection tools: counters for object sizes and counts,
histograms for external fragmentation.
Incorporated constness into inferred interfaces (in preparation for
handling imports) (issue 1569).
Performance and stability improvements on all platforms.
2012-07-12: Version 3.12.11
Renamed "mips" arch to "mipsel" in the GYP build.
Fixed computation of call targets on prototypes in Crankshaft.
(Chromium issue 125148)
Removed use of __lookupGetter__ when generating stack trace.
(issue 1591)
Turned on ES 5.2 globals semantics by default.
(issue 1991, Chromium issue 80591)
Synced preparser and parser wrt syntax error in switch..case.
(issue 2210)
Fixed reporting of octal literals in strict mode when preparsing.
(issue 2220)
Fixed inline constructors for Harmony Proxy prototypes.
(issue 2225)
Performance and stability improvements on all platforms.
2012-07-10: Version 3.12.10
Re-enabled and fixed issue with array bounds check elimination
(Chromium issue 132114).
Fixed Debug::Break crash. (Chromium issue 131642)
Added optimizing compiler support for JavaScript getters.
Performance and stability improvements on all platforms.
2012-07-06: Version 3.12.9
Correctly advance the scanner when scanning unicode regexp flag.
(Chromium issue 136084)
Fixed unhandlified code calling Harmony Proxy traps.
(issue 2219)
Performance and stability improvements on all platforms.
2012-07-05: Version 3.12.8
Implemented TypedArray.set and ArrayBuffer.slice in d8.
Performance and stability improvements on all platforms.
2012-07-03: Version 3.12.7
Fixed lazy compilation for strict eval scopes.
(Chromium issue 135066)
Made MACOSX_DEPLOYMENT_TARGET configurable in GYP.
(issue 2151)
Report "hidden properties" in heap profiler for properties case.
(issue 2212)
Activated optimization of packed arrays by default.
Performance and stability improvements on all platforms.
2012-06-29: Version 3.12.6
Cleaned up hardfp ABI detection for ARM (V8 issue 2140).
Extended TypedArray support in d8.
2012-06-28: Version 3.12.5
Fixed lazy parsing heuristics to respect outer scope.
(Chromium issue 135008)
Allow using test-wrapper-gypbuild.py on Windows when no python
interpreter is registered.
Performance and stability improvements on all platforms.
2012-06-27: Version 3.12.4
Removed -fomit-frame-pointer flag from Release builds to make
the stack walkable by TCMalloc (Chromium issue 133723).
Ported r7868 (constant masking) to x64 (issue 1374).
Expose more detailed memory statistics (issue 2201).
Fixed Harmony Maps and WeakMaps for undefined values
(Chromium issue 132744).
Correctly throw reference error in strict mode with ICs disabled
(issue 2119).
Performance and stability improvements on all platforms.
2012-06-25: Version 3.12.3
Reverted r11835 'Unify promotion and allocation limit computation' due
to V8 Splay performance regression on Mac. (Chromium issue 134183)
Fixed sharing of literal boilerplates for optimized code. (issue 2193)
Performance and stability improvements on all platforms.
2012-06-22: Version 3.12.2