Version 4.6.54

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.6.54@{#1}
Cr-Branched-From: b7726c447a8528710f549ebeea21ff46ac90a43a-refs/heads/master@{#30038}
diff --git a/ChangeLog b/ChangeLog
index 3c6e5d88..9f6993d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,1032 @@
-2015-05-17: Sentinel
+2015-08-06: Version 4.6.54
 
-        The ChangeLog file is no longer maintained on bleeding_edge. This
-        sentinel should stay on top of this list.
+        Performance and stability improvements on all platforms.
+
+
+2015-08-06: Version 4.6.53
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-05: Version 4.6.52
+
+        Ship --harmony-new-target (issue 3887).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-04: Version 4.6.51
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-04: Version 4.6.50
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-03: Version 4.6.49
+
+        SIMD.js Add the other SIMD Phase 1 types (issue 4124).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-03: Version 4.6.48
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-03: Version 4.6.47
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-01: Version 4.6.46
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-01: Version 4.6.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-08-01: Version 4.6.44
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-31: Version 4.6.43
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-31: Version 4.6.42
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-31: Version 4.6.41
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-30: Version 4.6.40
+
+        Pass the kGCCallbackFlagForced flag when invoking
+        Heap::CollectAllGarbage from AdjustAmountOfExternalAllocatedMemory
+        (Chromium issue 511294).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-30: Version 4.6.39
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-30: Version 4.6.38
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-29: Version 4.6.37
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-28: Version 4.6.36
+
+        Fix prototype registration upon SlowToFast migration (Chromium issue
+        513602).
+
+        Bugfix: Incorrect type feedback vector structure on recompile (Chromium
+        issue 514526).
+
+        Reland of "Remove ExternalArray, derived types, and element kinds"
+        (issue 3996).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-28: Version 4.6.35
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-28: Version 4.6.34
+
+        Remove ExternalArray, derived types, and element kinds (issue 3996).
+
+        Make V8 compile with MSVS 2015 (issue 4326).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-27: Version 4.6.33
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-26: Version 4.6.32
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-25: Version 4.6.31
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-25: Version 4.6.30
+
+        Make dates default to the local timezone if none specified (issue 4242,
+        Chromium issue 391730).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-24: Version 4.6.29
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-24: Version 4.6.28
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-23: Version 4.6.27
+
+        Fix check for a date with a 24th hour (Chromium issue 174609).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-23: Version 4.6.26
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-22: Version 4.6.25
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-22: Version 4.6.24
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-22: Version 4.6.23
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-21: Version 4.6.22
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-21: Version 4.6.21
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-21: Version 4.6.20
+
+        Don't run the second pass of the pending phantom callbacks if the heap
+        has been torn down (Chromium issue 511204).
+
+        Debugger: prepare code for debugging on a per-function basis (issue
+        4132).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-20: Version 4.6.19
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-20: Version 4.6.18
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-19: Version 4.6.17
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-18: Version 4.6.16
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-18: Version 4.6.15
+
+        Make NumberFormat use the ICU currency data, fix bug in NumberFormat
+        (Chromium issues 304722, 435465, 473104).
+
+        Properly fix enumerate / Object.keys wrt access checked objects
+        (Chromium issue 509936).
+
+        Fix object enumeration wrt access checked objects (Chromium issue
+        509936).
+
+        Fix DefineOwnProperty for data properties wrt failed access checks
+        (Chromium issue 509936).
+
+        Fix GetOwnPropertyNames on access-checked objects (Chromium issue
+        509936).
+
+        Fix getPrototypeOf for access checked objects (Chromium issue 509936).
+
+        Delete APIs deprecated since last release.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-17: Version 4.6.14
+
+        Array.prototype.reverse should call [[HasProperty]] on elements before
+        [[Get]] (issue 4223).
+
+        In RegExp, lastIndex is read with ToLength, not ToInteger (issue 4244).
+
+        Stage --harmony-new-target (issue 3887).
+
+        Re-ship harmony spread calls and spread arrays (issue 3018).
+
+        Expose SIMD.Float32x4 type to Javascript. This CL exposes the
+        constructor function, defines type related information, and implements
+        value type semantics. It also refactors test/mjsunit/samevalue.js to
+        test SameValue and SameValueZero (issue 4124).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-17: Version 4.6.13
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-16: Version 4.6.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-16: Version 4.6.11
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-16: Version 4.6.10
+
+        Expose SIMD.Float32x4 type to Javascript. This CL exposes the
+        constructor function, defines type related information, and implements
+        value type semantics. It also refactors test/mjsunit/samevalue.js to
+        test SameValue and SameValueZero (issue 4124).
+
+        Fix runtime-atomics for Win 10 SDK and remove volatile (Chromium issues
+        440500, 491424).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-15: Version 4.6.9
+
+        Let the second pass phantom callbacks run in a separate task on the
+        foreground thread.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-15: Version 4.6.8
+
+        Optimize String.prototype.includes (issue 3807).
+
+        Unship spread calls and spread arrays (issue 4298).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-15: Version 4.6.7
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-14: Version 4.6.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-14: Version 4.6.5
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-14: Version 4.6.4
+
+        MIPS64: Fix BlockTrampolinePoolFor() to emit trampoline before blocking,
+        if needed (issue 4294).
+
+        Add convenience method for converting v8::PersistentBase to v8::Local.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-13: Version 4.6.3
+
+        MIPS: Fix BlockTrampolinePoolFor() to emit trampoline before blocking,
+        if needed (issue 4294).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-13: Version 4.6.2
+
+        [arm] CheckConstPool between TurboFan instructions (issue 4292).
+
+        Fix keyed access of primitive objects in the runtime. For now it uses a
+        pretty slow path for accessing strings by wrapping it into a new
+        temporary wrapper (issues 3088, 4042).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-12: Version 4.6.1
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-09: Version 4.5.107
+
+        [arm] Don't call branch_offset within CheckConstPool (issue 4292).
+
+        [arm] Fix missing CheckBuffer for branches (issue 4292).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-09: Version 4.5.106
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-09: Version 4.5.105
+
+        Guard @@isConcatSpreadable behind a flag (Chromium issue 507553).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-08: Version 4.5.104
+
+        [x64] Fix handling of Smi constants in LSubI and LBitI (Chromium issue
+        478612).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-08: Version 4.5.103
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-08: Version 4.5.102
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-07: Version 4.5.101
+
+        Move compatible receiver check from CompileHandler to UpdateCaches
+        (Chromium issue 505374).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-07: Version 4.5.100
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-07: Version 4.5.99
+
+        unicode-decoder: fix out-of-band write in utf16 (issue 4274).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-06: Version 4.5.98
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-04: Version 4.5.97
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-03: Version 4.5.96
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-03: Version 4.5.95
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-02: Version 4.5.94
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-02: Version 4.5.93
+
+        Include Harmony Array/TypedArray methods unconditionally (Chromium issue
+        504629).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-02: Version 4.5.92
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-01: Version 4.5.91
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-01: Version 4.5.90
+
+        Performance and stability improvements on all platforms.
+
+
+2015-07-01: Version 4.5.89
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-30: Version 4.5.88
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-30: Version 4.5.87
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-30: Version 4.5.86
+
+        Ensure mjsunit tests use dashes not underscores in flags directives
+        (Chromium issue 505228).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-29: Version 4.5.85
+
+        Fix flag convention in handle count tests and comment (Chromium issue
+        505228).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-29: Version 4.5.84
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-27: Version 4.5.83
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-26: Version 4.5.82
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-26: Version 4.5.81
+
+        Remove obsolete options in ScriptCompiler::CompileOptions (Chromium
+        issue 399580).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-25: Version 4.5.80
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-25: Version 4.5.79
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-25: Version 4.5.78
+
+        Serializer: clear next link in weak cells (Chromium issue 503552).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-24: Version 4.5.77
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-24: Version 4.5.76
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-24: Version 4.5.75
+
+        Date() should not depend on Date.prototype.toString (issue 4225).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-23: Version 4.5.74
+
+        Expose Map/Set methods through the API (issue 3340).
+
+        [turbofan] NaN is never truish (issue 4207).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-23: Version 4.5.73
+
+        Re-ship Harmony Array/TypedArray methods (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-23: Version 4.5.72
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-23: Version 4.5.71
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-20: Version 4.5.70
+
+        Ship Harmony Array/TypedArray methods (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-20: Version 4.5.69
+
+        Ship arrow functions (issue 2700).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-19: Version 4.5.68
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-19: Version 4.5.67
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-19: Version 4.5.66
+
+        Ship arrow functions (issue 2700).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-18: Version 4.5.65
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-18: Version 4.5.64
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-18: Version 4.5.63
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-17: Version 4.5.62
+
+        Hydrogen object literals: always initialize in-object properties
+        (Chromium issue 500497).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-17: Version 4.5.61
+
+        Add %TypedArray% to proto chain (issue 4085).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-17: Version 4.5.60
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-17: Version 4.5.59
+
+        [crankshaft] Fix wrong bailout points in for-in loop body (Chromium
+        issue 500435).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-16: Version 4.5.58
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-16: Version 4.5.57
+
+        Inline code generation for %_IsTypedArray (issue 4085).
+
+        Allow TypedArrays to be initialized with iterables (issue 4090).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-15: Version 4.5.56
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-15: Version 4.5.55
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-14: Version 4.5.54
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-13: Version 4.5.53
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-12: Version 4.5.52
+
+        Map::TryUpdate() must be in sync with Map::Update() (issue 4173).
+
+        Add ToObject call in Array.prototype.sort (issue 4125).
+
+        In Array.of and Array.from, fall back to DefineOwnProperty (issue 4168).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-12: Version 4.5.51
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-11: Version 4.5.50
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-11: Version 4.5.49
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-11: Version 4.5.48
+
+        Support rest parameters in arrow functions (issue 2700).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-10: Version 4.5.47
+
+        Implement %TypedArray%.prototype.slice (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-09: Version 4.5.46
+
+        Stage ES6 arrow functions (issue 2700).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-09: Version 4.5.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-09: Version 4.5.44
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-08: Version 4.5.43
+
+        [for-in] Make ForInNext and ForInFilter deal properly with exceptions
+        (Chromium issue 496331).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-08: Version 4.5.42
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-06: Version 4.5.41
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-05: Version 4.5.40
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-05: Version 4.5.39
+
+        Stage ES6 Array and TypedArray methods (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-05: Version 4.5.38
+
+        Implement %TypedArray%.prototype.{reduce,reduceRight} (issue 3578).
+
+        Add support for Embedded Constant Pools for PPC and Arm (Chromium issue
+        478811).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-04: Version 4.5.37
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-04: Version 4.5.36
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-04: Version 4.5.35
+
+        Flatten the Arrays returned and consumed by the v8::Map API (Chromium
+        issue 478263).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-03: Version 4.5.34
+
+        Also allocate small typed arrays on heap when initialized from an array-
+        like (issue 3996).
+
+        Implement %TypedArray%.prototype.{reduce,reduceRight} (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-03: Version 4.5.33
+
+        Add support for Embedded Constant Pools for PPC and Arm (Chromium issue
+        478811).
+
+        Implement %TypedArray%.prototype.{toString,toLocaleString,join} (issue
+        3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-03: Version 4.5.32
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-02: Version 4.5.31
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-02: Version 4.5.30
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-01: Version 4.5.29
+
+        Reland "Re-enable on-heap typed array allocation" (issue 3996).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-01: Version 4.5.28
+
+        Re-enable on-heap typed array allocation (issue 3996).
+
+        Also expose DefineOwnProperty (Chromium issue 475206).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-06-01: Version 4.5.27
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-31: Version 4.5.26
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-30: Version 4.5.25
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-29: Version 4.5.24
+
+        Debugger: consider try-finally scopes not catching wrt debug events
+        (Chromium issue 492522).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-29: Version 4.5.23
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-29: Version 4.5.22
+
+        Do not eagerly convert exception to string when creating a message
+        object (Chromium issue 490680).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-28: Version 4.5.21
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-28: Version 4.5.20
+
+        Introduce v8::Object::CreateDataProperty (Chromium issue 475206).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-27: Version 4.5.19
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-27: Version 4.5.18
+
+        Add {Map,Set}::FromArray to the API (issue 3340).
+
+        Add {Map,Set}::AsArray to the API (issue 3340).
+
+        Add basic API support for Map & Set (issue 3340).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-26: Version 4.5.17
+
+        Correctly hook up materialized receiver into the evaluation context
+        chain (Chromium issue 491943).
+
+        Implement bookmarks for ExternalStreamingStream (Chromium issue 470930).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-26: Version 4.5.16
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-26: Version 4.5.15
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-23: Version 4.5.14
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-22: Version 4.5.13
+
+        Remove v8::Private.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-22: Version 4.5.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-22: Version 4.5.11
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-21: Version 4.5.10
+
+        Re-land %TypedArray%.prototype.{map,filter,some} (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-21: Version 4.5.9
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-20: Version 4.5.8
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-20: Version 4.5.7
+
+        Implement %TypedArray%.{lastI,i}ndexOf (issue 3578).
+
+        Implement %TypedArray%.prototype.sort (issue 3578).
+
+        Implement %TypedArray%.reverse (issue 3578).
+
+        Implement %TypedArray%.prototype.{map,filter,some,reduce,reduceRight}
+        (issue 3578).
+
+        Fix has_pending_exception logic in API's Array::CloneElementAt (issue
+        4103).
+
+        Adding api to get last gc object statistics for chrome://tracing
+        (Chromium issue 476013).
+
+        Fix harmless HGraph verification failure after hoisting inlined bounds
+        checks (Chromium issue 487608).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-20: Version 4.5.6
+
+        Add TypedArray.from method (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-19: Version 4.5.5
+
+        ARM64: Propagate notification about aborted compilation from
+        RegExpEngine to MacroAssembler (Chromium issue 489290).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-18: Version 4.5.4
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-18: Version 4.5.3
+
+        Performance and stability improvements on all platforms.
 
 
 2015-05-17: Version 4.5.2
diff --git a/include/v8-version.h b/include/v8-version.h
index 8267959..45e49f7 100644
--- a/include/v8-version.h
+++ b/include/v8-version.h
@@ -10,11 +10,11 @@
 // system so their names cannot be changed without changing the scripts.
 #define V8_MAJOR_VERSION 4
 #define V8_MINOR_VERSION 6
-#define V8_BUILD_NUMBER 0
+#define V8_BUILD_NUMBER 54
 #define V8_PATCH_LEVEL 0
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
-#define V8_IS_CANDIDATE_VERSION 1
+#define V8_IS_CANDIDATE_VERSION 0
 
 #endif  // V8_INCLUDE_VERSION_H_