Upgrade version and change log after branch.

ChangeLog

Index: ChangeLog
diff --git a/ChangeLog b/ChangeLog
index fe70ce3d04b5eded77be5cd29717e48ba8c219b0..86be32ed136035592e04153c5b767959e6ae37a8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,9 +1,1205 @@
-2014-05-19: Sentinel
+2014-11-10: Sentinel
 
         The ChangeLog file is no longer maintained on bleeding_edge. This
         sentinel should stay on top of this list.
 
 
+2014-11-05: Version 3.30.33
+
+        `1..isPrototypeOf.call(null)` should return false, not throw TypeError
+        (issue 3483).
+
+        Refactor ObjectGetOwnPropertyKeys to accept bitmask rather than boolean
+        (issue 3549).
+
+        Add debug mirror support for ES6 Map/Set iterators (Chromium issue
+        427868).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-11-04: Version 3.30.30
+
+        Performance and stability improvements on all platforms.
+
+
+2014-11-02: Version 3.30.27
+
+        Performance and stability improvements on all platforms.
+
+
+2014-11-02: Version 3.30.26
+
+        Performance and stability improvements on all platforms.
+
+
+2014-11-01: Version 3.30.25
+
+        Performance and stability improvements on all platforms.
+
+
+2014-11-01: Version 3.30.24
+
+        Ensure we don't try to inline raw access to indexed interceptor
+        receivers (Chromium issue 419220).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-31: Version 3.30.23
+
+        Introduce v8::Exception::GetMessage to find location of an error object
+        (Chromium issue 427954).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-30: Version 3.30.22
+
+        MIPS: Classes: Add super support in methods and accessors (issue 3330).
+
+        Classes: Add super support in methods and accessors (issue 3330).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-29: Version 3.30.21
+
+        MIPS: Classes: Add basic support for properties (issue 3330).
+
+        Classes: Add more tests for prototype edge cases (Chromium issue 3655).
+
+        Classes: Add test for method prototype (issue 3330).
+
+        Get stack trace for uncaught exceptions/promise rejections from the
+        simple stack when available.
+
+        Classes: Add basic support for properties (issue 3330).
+
+        Allow duplicate property names in classes (issue 3570).
+
+        Windows: use SystemTimeToTzSpecificLocalTime instead of localtime_s
+        (Chromium issue 417640).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-28: Version 3.30.20
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-27: Version 3.30.19
+
+        Check string literals with escapes in PreParserTraits::GetSymbol()
+        (issue 3606).
+
+        only define ARRAYSIZE_UNSAFE for NaCl builds (Chromium issue 405225).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-24: Version 3.30.18
+
+        Narrow cases where Sparse/Smart versions of Array methods are used
+        (issues 2615, 3612, 3621).
+
+        Shrink new space in idle notification (Chromium issue 424423).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-23: Version 3.30.17
+
+        ARM64: Fix stack manipulation (Chromium issue 425585).
+
+        Speed up creation of Objects whose prototype has dictionary elements
+        (Chromium issue 422754).
+
+        Enable libstdc++ debug mode in debug builds (issue 3638).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-22: Version 3.30.16
+
+        Remove v8stdint.h, it doesn't serve a purpose anymore.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-21: Version 3.30.15
+
+        Avoid the Marsaglia effect in 3D (Chromium issue 423311).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-20: Version 3.30.14
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-17: Version 3.30.13
+
+        Don't expose Array.prototype.values as it breaks webcompat (Chromium
+        issue 409858).
+
+        Fix break location calculation (Chromium issue 419663).
+
+        Enable libstdc++ debug mode in debug builds (issue 3638).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-17: Version 3.30.12
+
+        Implement .forEach() on typed arrays (issue 3578).
+
+        Introduce v8::Exception::GetStackTrace API method.
+
+        Remove SmartMove, bringing Array methods further into spec compliance
+        (issue 2615).
+
+        Convert argument toObject() in Object.getOwnPropertyNames/Descriptors
+        (issue 3443).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-15: Version 3.30.11
+
+        Array.prototype.{every, filter, find, findIndex, forEach, map, some}:
+        Use fresh primitive wrapper for calls (issue 3536).
+
+        Correctly expand literal buffer for surrogate pairs (Chromium issue
+        423212).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-15: Version 3.30.10
+
+        Squeeze the layout of various AST node types (Chromium issue 417697).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-14: Version 3.30.9
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-13: Version 3.30.8
+
+        AST nodes have at most one bailout/typefeedback ID now, saving lots of
+        memory (Chromium issue 417697).
+
+        Allow identifier code points from supplementary multilingual planes
+        (issue 3617).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-10: Version 3.30.7
+
+        Fix computation of UTC time from local time at DST change points (issue
+        3116, Chromium issues 415424, 417640).
+
+        Convert `obj` ToObject in Object.keys() (issue 3587).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-09: Version 3.30.6
+
+        Update unicode to 7.0.0 (issue 2892).
+
+        Classes: Add support for toString (issue 3330).
+
+        Don't enable WPO on Win64 and require Server 2003 / x64 for win64
+        (Chromium issue 421363).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-08: Version 3.30.5
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-08: Version 3.30.4
+
+        This uses a runtime function to set up the the constructor and its
+        prototype (issue 3330).
+
+        Remove PersistentBase::ClearAndLeak.
+
+        Squeeze the layout of variable proxy nodes (Chromium issue 417697).
+
+        Add MonotonicallyIncreasingTime to V8 Platform (Chromium issue 417668).
+
+        Fix representation of HLoadRoot (Chromium issue 419036).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-03: Version 3.30.3
+
+        Removed the Isolate* field from literal nodes (Chromium issue 417697).
+
+        Squeeze the layout of expression nodes a bit (Chromium issue 417697).
+
+        Merged FeedbackSlotInterface into AstNode, removing the need for a 2nd
+        vtable (Chromium issue 417697).
+
+        Extend CPU profiler with mapping ticks to source lines.
+
+        Remove support for parallel sweeping.
+
+        Introduce v8::Object::GetIsolate().
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-02: Version 3.30.2
+
+        Fix Hydrogen's BuildStore() (Chromium issue 417508).
+
+        Move unit tests to test/unittests (issue 3489).
+
+        Changes to ALLOW_UNUSED to match upcoming changes to the Chromium trunk:
+        * Eliminate usage of ALLOW_UNUSED to define COMPILE_ASSERT and just use
+        static_assert() in all cases now that all platforms build with C++11. *
+        Convert remaining uses of ALLOW_UNUSED to ALLOW_UNUSED_TYPE to match how
+        Chromium will be splitting this functionality.  (In Chromium we'll have
+        both   ALLOW_UNUSED_TYPE and ALLOW_UNUSED_LOCAL, which have different
+        syntax to   enable us to use these with MSVC.) (Chromium issue 81439).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-10-01: Version 3.30.1
+
+        Introduce PromiseRejectCallback (issue 3093).
+
+        ES6: Implement object literal property shorthand (issue 3584).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-30: Version 3.29.93
+
+        Add a getter for the address and size of the code range to the pulic API
+        (issue 3598).
+
+        Convert `obj` ToObject in Object.keys() (issue 3587).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-29: Version 3.29.92
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-26: Version 3.29.91
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-25: Version 3.29.88
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-24: Version 3.29.87
+
+        Preserve message when rethrowing exception (issue 3583).
+
+        Fix escaped index JSON parsing (Chromium issue 416449).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.84
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.83
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.82
+
+        Fix escaped index JSON parsing (Chromium issue 416449).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-17: Version 3.29.70
+
+        Enable ES6 generators (issue 2355).
+
+        Fixed int vs. uintptr_t confusion (plus some cleanup on the way) (issue
+        3556).
+
+        Move configuration of ResourceConstraints to Isolate construction.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-16: Version 3.29.66
+
+        Currently, a new isolate is created in an uninitialized state, and
+        several API methods will automatically initialize it. During this
+        uninitialized state, code event handlers and function entry handlers can
+        be attached to the isolate.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-15: Version 3.29.64
+
+        ES6: String(symbol) should work like symbol.toString (issue 3554).
+
+        Arrow functions: Cleanup handling of the prototype property (issue
+        2700).
+
+        Remove V8_HOST_CAN_READ_UNALIGNED and its uses (Chromium issue 412967).
+
+        Fix Smi vs. HeapObject confusion in HConstants (Chromium issue 412215).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-12: Version 3.29.59
+
+        Do not use wide reads in CopyCharsUnsigned (Chromium issue 412967).
+
+        Fix inaccurate type condition in Hydrogen (Chromium issue 412210).
+
+        Fix crash in ScriptDebugServer::wrapCallFrames (Chromium issue 411196).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-11: Version 3.29.57
+
+        ES6: Add support for method shorthand in object literals (issue 3516).
+
+        Unbreak FreeBSD build (hopefully) (issue 3548).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-09: Version 3.29.53
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-08: Version 3.29.50
+
+        Allocate a new empty number dictionary when resetting elements (Chromium
+        issue 410332).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-05: Version 3.29.43
+
+        Enforce correct number comparisons when inlining Array.indexOf (Chromium
+        issue 407946).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-04: Version 3.29.41
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-03: Version 3.29.40
+
+        Use correct receiver for DOM accessors on the prototype chain (issue
+        3538).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-02: Version 3.29.38
+
+        Do not clear weak monomorphic IC after context disposal (Chromium issue
+        404020).
+
+        Turn on job-based sweeping (issue 3104).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-09-01: Version 3.29.35
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-29: Version 3.29.29
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.27
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.25
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.24
+
+        Tweaks to generate XP-compatible .exes (Chromium issue 407517).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.23
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-27: Version 3.29.20
+
+        Handle empty allocation list in CodeRange properly (issue 3540, Chromium
+        issue 407566).
+
+        Fixed inlining of constant values (issue 3529).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-25: Version 3.29.17
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-24: Version 3.29.16
+
+        Fix issue with numeric property names (issue 3507).
+
+        Add back the duplicate property checker (issue 3498).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-22: Version 3.29.14
+
+        Don't inline Array.shift() if receiver map is not extensible (Chromium
+        issue 405517).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-21: Version 3.29.11
+
+        Refactor ParseObjectLiteral.
+
+        Support symbol-named properties in API (issue 3394).
+
+        Suppress test262 test that tests duplicate properties.
+
+        ES6: Duplicate properties are no longer an error (issue 3498).
+
+        Expose function CheckDebugBreak in the debugger api.
+
+        Remove RegExp.$input (issue 3486).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-21: Version 3.29.10
+
+        ES6: Make sure we do not store -0 as the key in Map/Set (issue 3515).
+
+        Remove removed flags from tests.
+
+        Expose well-known Symbols to C++ API (Chromium issue 341423).
+
+        Implement ES6 Array.of() (issue 3427).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-20: Version 3.29.9
+
+        Correctly handle holes when concat()ing double arrays (Chromium issue
+        403409).
+
+        [turbofan] Refactor the InstructionSelector tests (issue 3489).
+
+        ES6: Make Map/Set constructors support iterable values (issue 3508).
+
+        WeakMap/WeakSet: Add test for non object keys (issue 3399).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-12: Version 3.28.71
+
+        ToNumber(Symbol) should throw TypeError (issue 3499).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-11: Version 3.28.69
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-09: Version 3.28.65
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-08: Version 3.28.64
+
+        ES6: Implement WeakMap and WeakSet constructor logic (issue 3399).
+
+        Enable ES6 unscopables (issue 3401).
+
+        Turn on harmony_unscopables for es_staging (issue 3401).
+
+        Remove proxies from --harmony switch for M38, because problems.
+
+        Reland "Add initial support for compiler unit tests using GTest/GMock."
+        (issue 3489).
+
+        Enable ES6 iteration by default (issue 2214).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-07: Version 3.28.62
+
+        Only escape U+0022 in argument values of `String.prototype` HTML methods
+        (issue 2217).
+
+        Update webkit test for expected own properties.
+
+        This implements unscopables (issue 3401).
+
+        Add `CheckObjectCoercible` for the `String.prototype` HTML methods
+        (issue 2218).
+
+        Add initial support for compiler unit tests using GTest/GMock (issue
+        3489).
+
+        Trigger exception debug events on Promise reject (Chromium issue
+        393913).
+
+        Refactor unit tests for the base library to use GTest (issue 3489).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-06: Version 3.28.60
+
+        Enable ES6 Map and Set by default (issue 1622).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-06: Version 3.28.59
+
+        Removed GetConstructor from the API. Instead either get the
+        "constructor" property stored in the prototype, or keep a side-table.
+
+        Enable ES6 Symbols by default (issue 2158).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-05: Version 3.28.57
+
+        Add dependencies on gtest and gmock.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-04: Version 3.28.54
+
+        Performance and stability improvements on all platforms.
+
+
+2014-08-01: Version 3.28.53
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.52
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.51
+
+        Drop deprecated memory related notification API (Chromium issue 397026).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.50
+
+        Use emergency memory in the case of out of memory during evacuation
+        (Chromium issue 395314).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-30: Version 3.28.48
+
+        Fix Object.freeze with field type tracking. Keep the descriptor properly
+        intact while update the field type (issue 3458).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-29: Version 3.28.45
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-28: Version 3.28.43
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-25: Version 3.28.38
+
+        Fix issue with setters and their holders in accessors.cc (Chromium issue
+        3462).
+
+        Introduce more debug events for promises (issue 3093).
+
+        Move gc notifications from V8 to Isolate and make idle hint mandatory
+        (Chromium issue 397026).
+
+        The accessors should get the value from the holder and not from this
+        (issue 3461).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-24: Version 3.28.35
+
+        Rebaseline/update the intl tests with ICU 52 (issue 3454).
+
+        Expose the content of Sets and WeakSets through SetMirror (issue 3093).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-23: Version 3.28.32
+
+        Update ICU to 5.2 (matching chromium) (issue 3452).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-22: Version 3.28.31
+
+        Remove harmony-typeof.
+
+        Implement String.prototype.codePointAt and String.fromCodePoint (issue
+        2840).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-21: Version 3.28.30
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-21: Version 3.28.29
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-18: Version 3.28.28
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-17: Version 3.28.26
+
+        Ship ES6 Math functions (issue 2938).
+
+        Make ToPrimitive throw on symbol wrappers (issue 3442).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-16: Version 3.28.25
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-16: Version 3.28.24
+
+        Removed some copy-n-paste from StackFrame::Foo API entries (issue 3436).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-15: Version 3.28.23
+
+        Fix error message about read-only symbol properties (issue 3441).
+
+        Include symbol properties in Object.{create,defineProperties} (issue
+        3440).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-14: Version 3.28.22
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-11: Version 3.28.21
+
+        Make `let` usable as an identifier in ES6 sloppy mode (issue 2198).
+
+        Support ES6 Map and Set in heap profiler (issue 3368).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-10: Version 3.28.20
+
+        Remove deprecate counter/histogram methods.
+
+        Fixed printing of external references (Chromium issue 392068).
+
+        Fix several issues with ES6 redeclaration checks (issue 3426).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-09: Version 3.28.19
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-09: Version 3.28.18
+
+        Reland "Postpone termination exceptions in debug scope." (issue 3408).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-08: Version 3.28.17
+
+        MIPS: Fix computed properties on object literals with a double as
+        propertyname (Chromium issue 390732).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-08: Version 3.28.16
+
+        Fix computed properties on object literals with a double as propertyname
+        (Chromium issue 390732).
+
+        Avoid brittle use of .bind in Promise.all (issue 3420).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-07: Version 3.28.15
+
+        Remove a bunch of Isolate::UncheckedCurrent calls.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-07: Version 3.28.14
+
+        Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
+        390732).
+
+        Introduce debug events for Microtask queue (Chromium issue 272416).
+
+        Split out libplatform into a separate libary.
+
+        Add clang-format to presubmit checks.
+
+        Stack traces exposed to Javascript should omit extensions (issue 311).
+
+        Remove deprecated v8::Context::HasOutOfMemoryException.
+
+        Postpone termination exceptions in debug scope (issue 3408).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-04: Version 3.28.13
+
+        Rollback to r22134.
+
+
+2014-07-04: Version 3.28.12
+
+        Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
+        390732).
+
+        Introduce debug events for Microtask queue (Chromium issue 272416).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-03: Version 3.28.11
+
+        Split out libplatform into a separate libary.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-03: Version 3.28.10
+
+        Add clang-format to presubmit checks.
+
+        Stack traces exposed to Javascript should omit extensions (issue 311).
+
+        Remove deprecated v8::Context::HasOutOfMemoryException.
+
+        Postpone termination exceptions in debug scope (issue 3408).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-02: Version 3.28.9
+
+        Make freeze & friends ignore private properties (issue 3419).
+
+        Introduce a builddeps make target (issue 3418).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-07-01: Version 3.28.8
+
+        Remove static initializer from isolate.
+
+        ES6: Add missing Set.prototype.keys function (issue 3411).
+
+        Introduce debug events for promises (issue 3093).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-30: Version 3.28.7
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-30: Version 3.28.6
+
+        Unbreak "os" stuff in shared d8 builds (issue 3407).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-26: Version 3.28.4
+
+        Compile optimized code with active debugger but no break points
+        (Chromium issue 386492).
+
+        Optimize Map/Set.prototype.forEach.
+
+        Collect garbage with kReduceMemoryFootprintMask in IdleNotification
+        (Chromium issue 350720).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-26: Version 3.28.3
+
+        Grow heap slower if GC freed many global handles (Chromium issue
+        263503).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-25: Version 3.28.2
+
+        Remove bogus assertions in HCompareObjectEqAndBranch (Chromium issue
+        387636).
+
+        Do not eagerly update allow_osr_at_loop_nesting_level (Chromium issue
+        387599).
+
+        Set host_arch to ia32 on machines with a 32bit userland but a 64bit
+        kernel (Chromium issue 368384).
+
+        Map/Set: Implement constructor parameter handling (issue 3398).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-24: Version 3.28.1
+
+        Support LiveEdit on Arm64 (Chromium issue 368580).
+
+        Run JS micro tasks in the appropriate context (Chromium issue 385349).
+
+        Add a use counter API.
+
+        Set host_arch to ia32 on machines with a 32bit userland but a 64bit
+        kernel.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-23: Version 3.28.0
+
+        MIPS: Support LiveEdit (Chromium issue 368580).
+
+        Array.concat: properly go to dictionary mode when required (Chromium
+        issue 387031).
+
+        Support LiveEdit on ARM (Chromium issue 368580).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-18: Version 3.27.34
+
+        Reduce number of writes to DependentCode array when inserting dependent
+        IC (Chromium issue 305878).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-17: Version 3.27.33
+
+        Do GC if CodeRange fails to allocate a block (Chromium issue 305878).
+
+        Throw syntax error when a getter/setter has the wrong number of params
+        (issue 3371).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-17: Version 3.27.32
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-16: Version 3.27.31
+
+        Version fix.
+
+
+2014-06-16: Version 3.27.30
+
+        Fix representation of Phis for mutable-heapnumber-in-object-literal
+        properties (issue 3392).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-16: Version 3.27.29
+
+        Emulate MLS on pre-ARMv6T2. Cleaned up thumbee vs. thumb2 confusion.
+
+        X87: Fixed flooring division by a power of 2, once again.. (issue 3259).
+
+        Fixed undefined behavior in RNG (Chromium issue 377790).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-13: Version 3.27.28
+
+        Add v8::Promise::Then (Chromium issue 371288).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-12: Version 3.27.27
+
+        Fix detection of VFP3D16 on Galaxy Tab 10.1 (issue 3387).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-12: Version 3.27.26
+
+        MIPS: Fixed flooring division by a power of 2, once again.. (issue
+        3259).
+
+        Fixed flooring division by a power of 2, once again.. (issue 3259).
+
+        Fix unsigned comparisons (issue 3380).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-11: Version 3.27.25
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-11: Version 3.27.24
+
+        Fix invalid attributes when generalizing because of incompatible map
+        change (Chromium issue 382143).
+
+        Fix missing smi check in inlined indexOf/lastIndexOf (Chromium issue
+        382513).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.23
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.22
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.21
+
+        Turn on harmony_collections for es_staging (issue 1622).
+
+        Do not make heap iterable eagerly (Chromium issue 379740).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-05: Version 3.27.20
+
+        Fix invalid loop condition for Array.lastIndexOf() (Chromium issue
+        380512).
+
+        Add API support for passing a C++ function as a microtask callback.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-04: Version 3.27.19
+
+        Split Put into Put and Remove.
+
+        ES6: Add support for values/keys/entries for Map and Set (issue 1793).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-03: Version 3.27.18
+
+        Remove PROHIBITS_OVERWRITING as it is subsumed by non-configurable
+        properties.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-06-02: Version 3.27.17
+
+        BuildNumberToString: Check for undefined keys in the cache (Chromium
+        issue 368114).
+
+        HRor and HSar can deoptimize (issue 3359).
+
+        Simplify, speed-up correct-context ObjectObserve calls.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-29: Version 3.27.16
+
+        Allow microtasks to throw exceptions and handle them gracefully
+        (Chromium issue 371566).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-28: Version 3.27.15
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-27: Version 3.27.14
+
+        Reland "Customized support for feedback on calls to Array." and follow-
+        up fixes (Chromium issues 377198, 377290).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-26: Version 3.27.13
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-26: Version 3.27.12
+
+        Check for cached transition to ExternalArray elements kind (issue 3337).
+
+        Support ES6 weak collections in heap profiler (Chromium issue 376196).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-23: Version 3.27.11
+
+        Add support for ES6 Symbol in heap profiler (Chromium issue 376194).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-22: Version 3.27.10
+
+        Implement Mirror object for Symbols (issue 3290).
+
+        Allow debugger to step into Map and Set forEach callbacks (issue 3341).
+
+        Fix ArrayShift hydrogen support (Chromium issue 374838).
+
+        Use SameValueZero for Map and Set (issue 1622).
+
+        Array Iterator next should check for own property.
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-21: Version 3.27.9
+
+        Disable ArrayShift hydrogen support (Chromium issue 374838).
+
+        ES6 Map/Set iterators/forEach improvements (issue 1793).
+
+        Performance and stability improvements on all platforms.
+
+
+2014-05-20: Version 3.27.8
+
+        Move microtask queueing logic from JavaScript to C++.
+
+        Partial revert of "Next bunch of fixes for check elimination" (Chromium
+        issue 372173).
+
+        Performance and stability improvements on all platforms.
+
+
 2014-05-19: Version 3.27.7
 
         Performance and stability improvements on all platforms.