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deps: update V8 to 3.28.71.19
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The 3.28.73 update was technically unstable code. This reverts the code
to the latest 3.28 stable release.

Reviewed-By: Trevor Norris <trev.norris@gmail.com>
PR-URL: nodejs/node-v0.x-archive#18206
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trevnorris authored and Julien Gilli committed Apr 29, 2015
1 parent 0e392f3 commit 32166a9
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Showing 94 changed files with 3,530 additions and 2,018 deletions.
5 changes: 0 additions & 5 deletions deps/v8/ChangeLog
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@@ -1,8 +1,3 @@
2014-08-13: Version 3.28.73

Performance and stability improvements on all platforms.


2014-08-12: Version 3.28.71

ToNumber(Symbol) should throw TypeError (issue 3499).
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2 changes: 1 addition & 1 deletion deps/v8/build/features.gypi
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Expand Up @@ -115,7 +115,7 @@
'Release': {
'variables': {
'v8_enable_extra_checks%': 0,
'v8_enable_handle_zapping%': 1,
'v8_enable_handle_zapping%': 0,
},
'conditions': [
['v8_enable_extra_checks==1', {
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11 changes: 0 additions & 11 deletions deps/v8/include/v8.h
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Expand Up @@ -4186,17 +4186,6 @@ class V8_EXPORT Isolate {
*/
static Isolate* GetCurrent();

/**
* Custom callback used by embedders to help V8 determine if it should abort
* when it throws and no internal handler can catch the exception.
* If FLAG_abort_on_uncaught_exception is true, then V8 will abort if either:
* - no custom callback is set.
* - the custom callback set returns true.
* Otherwise it won't abort.
*/
typedef bool (*abort_on_uncaught_exception_t)();
void SetAbortOnUncaughtException(abort_on_uncaught_exception_t callback);

/**
* Methods below this point require holding a lock (using Locker) in
* a multi-threaded environment.
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6 changes: 6 additions & 0 deletions deps/v8/src/api.cc
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Expand Up @@ -5543,6 +5543,11 @@ bool v8::String::CanMakeExternal() {
i::Handle<i::String> obj = Utils::OpenHandle(this);
i::Isolate* isolate = obj->GetIsolate();

// TODO(yangguo): Externalizing sliced/cons strings allocates.
// This rule can be removed when all code that can
// trigger an access check is handlified and therefore GC safe.
if (isolate->heap()->old_pointer_space()->Contains(*obj)) return false;

if (isolate->string_tracker()->IsFreshUnusedString(obj)) return false;
int size = obj->Size(); // Byte size of the original string.
if (size < i::ExternalString::kShortSize) return false;
Expand Down Expand Up @@ -6731,6 +6736,7 @@ void v8::Isolate::LowMemoryNotification() {
}
}


int v8::Isolate::ContextDisposedNotification() {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
return isolate->heap()->NotifyContextDisposed();
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2 changes: 1 addition & 1 deletion deps/v8/src/array-iterator.js
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Expand Up @@ -120,8 +120,8 @@ function ExtendArrayPrototype() {
%CheckIsBootstrapping();

InstallFunctions($Array.prototype, DONT_ENUM, $Array(
// No 'values' since it breaks webcompat: http://crbug.com/409858
'entries', ArrayEntries,
'values', ArrayValues,
'keys', ArrayKeys
));

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1 change: 0 additions & 1 deletion deps/v8/src/array.js
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Expand Up @@ -1480,7 +1480,6 @@ function SetUpArray() {
find: true,
findIndex: true,
keys: true,
values: true,
};
%AddNamedProperty($Array.prototype, symbolUnscopables, unscopables,
DONT_ENUM | READ_ONLY);
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15 changes: 6 additions & 9 deletions deps/v8/src/base/platform/platform-posix.cc
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Expand Up @@ -321,15 +321,11 @@ int OS::GetCurrentProcessId() {


int OS::GetCurrentThreadId() {
#if V8_OS_MACOSX
return static_cast<int>(pthread_mach_thread_np(pthread_self()));
#elif V8_OS_LINUX
#if defined(ANDROID)
return static_cast<int>(syscall(__NR_gettid));
#elif V8_OS_ANDROID
return static_cast<int>(gettid());
#else
return static_cast<int>(pthread_self());
#endif
return static_cast<int>(syscall(SYS_gettid));
#endif // defined(ANDROID)
}


Expand Down Expand Up @@ -608,8 +604,9 @@ void Thread::Join() {


void Thread::YieldCPU() {
const timespec delay = { 0, 1 };
nanosleep(&delay, NULL);
int result = sched_yield();
DCHECK_EQ(0, result);
USE(result);
}


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1 change: 0 additions & 1 deletion deps/v8/src/base/platform/platform.h
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Expand Up @@ -35,7 +35,6 @@ namespace std {
int signbit(double x);
}
# endif
#include <alloca.h>
#endif

#if V8_OS_QNX
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8 changes: 5 additions & 3 deletions deps/v8/src/bootstrapper.cc
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Expand Up @@ -2655,17 +2655,19 @@ Genesis::Genesis(Isolate* isolate,
NONE).Assert();

// Initialize trigonometric lookup tables and constants.
const int constants_size = ARRAY_SIZE(fdlibm::MathConstants::constants);
const int constants_size =
ARRAY_SIZE(fdlibm::TrigonometricConstants::constants);
const int table_num_bytes = constants_size * kDoubleSize;
v8::Local<v8::ArrayBuffer> trig_buffer = v8::ArrayBuffer::New(
reinterpret_cast<v8::Isolate*>(isolate),
const_cast<double*>(fdlibm::MathConstants::constants), table_num_bytes);
const_cast<double*>(fdlibm::TrigonometricConstants::constants),
table_num_bytes);
v8::Local<v8::Float64Array> trig_table =
v8::Float64Array::New(trig_buffer, 0, constants_size);

Runtime::DefineObjectProperty(
builtins,
factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("kMath")),
factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("kTrig")),
Utils::OpenHandle(*trig_table), NONE).Assert();
}

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2 changes: 1 addition & 1 deletion deps/v8/src/codegen.cc
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Expand Up @@ -190,7 +190,7 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
function->end_position() - function->start_position() + 1;
for (int i = 0; i < source_len; i++) {
if (stream.HasMore()) {
os << AsReversiblyEscapedUC16(stream.GetNext());
os << AsUC16(stream.GetNext());
}
}
os << "\n\n";
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