deps: update V8 to 5.1.281.69

Pick up the latest branch-head for V8 5.1. This branch brings in
improved language support and performance improvements. For full
details: http://v8project.blogspot.com/2016/04/v8-release-51.html

* Picks up the latest branch head for 5.1 [1]
* Edit v8 gitignore to allow trace_event copy
* Update V8 DEP trace_event as per deps/v8/DEPS [2]

[1] https://chromium.googlesource.com/v8/v8.git/+/dc81244
[2] https://chromium.googlesource.com/chromium/src/base/trace_event/common/+/c8c8665

PR-URL: https://github.com/nodejs/node/pull/7016
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 37 insertions, 31 deletions

diff --git a/deps/v8/test/cctest/test-regexp.cc b/deps/v8/test/cctest/test-regexp.cc
index 22321c3664..0a153b78e0 100644
--- a/deps/v8/test/cctest/test-regexp.cc
+++ b/deps/v8/test/cctest/test-regexp.cc
@@ -54,6 +54,11 @@
 #include "src/arm64/macro-assembler-arm64.h"
 #include "src/regexp/arm64/regexp-macro-assembler-arm64.h"
 #endif
+#if V8_TARGET_ARCH_S390
+#include "src/regexp/s390/regexp-macro-assembler-s390.h"
+#include "src/s390/assembler-s390.h"
+#include "src/s390/macro-assembler-s390.h"
+#endif
 #if V8_TARGET_ARCH_PPC
 #include "src/ppc/assembler-ppc.h"
 #include "src/ppc/macro-assembler-ppc.h"
@@ -92,7 +97,7 @@ using namespace v8::internal;
 
 static bool CheckParse(const char* input) {
   v8::HandleScope scope(CcTest::isolate());
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   FlatStringReader reader(CcTest::i_isolate(), CStrVector(input));
   RegExpCompileData result;
   return v8::internal::RegExpParser::ParseRegExp(
@@ -103,7 +108,7 @@ static bool CheckParse(const char* input) {
 static void CheckParseEq(const char* input, const char* expected,
                          bool unicode = false) {
   v8::HandleScope scope(CcTest::isolate());
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   FlatStringReader reader(CcTest::i_isolate(), CStrVector(input));
   RegExpCompileData result;
   JSRegExp::Flags flags = JSRegExp::kNone;
@@ -123,7 +128,7 @@ static void CheckParseEq(const char* input, const char* expected,
 
 static bool CheckSimple(const char* input) {
   v8::HandleScope scope(CcTest::isolate());
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   FlatStringReader reader(CcTest::i_isolate(), CStrVector(input));
   RegExpCompileData result;
   CHECK(v8::internal::RegExpParser::ParseRegExp(
@@ -141,7 +146,7 @@ struct MinMaxPair {
 
 static MinMaxPair CheckMinMaxMatch(const char* input) {
   v8::HandleScope scope(CcTest::isolate());
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   FlatStringReader reader(CcTest::i_isolate(), CStrVector(input));
   RegExpCompileData result;
   CHECK(v8::internal::RegExpParser::ParseRegExp(
@@ -456,7 +461,7 @@ TEST(ParserRegression) {
 static void ExpectError(const char* input,
                         const char* expected) {
   v8::HandleScope scope(CcTest::isolate());
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   FlatStringReader reader(CcTest::i_isolate(), CStrVector(input));
   RegExpCompileData result;
   CHECK(!v8::internal::RegExpParser::ParseRegExp(
@@ -525,7 +530,7 @@ static bool NotWord(uc16 c) {
 
 
 static void TestCharacterClassEscapes(uc16 c, bool (pred)(uc16 c)) {
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   ZoneList<CharacterRange>* ranges =
       new(&zone) ZoneList<CharacterRange>(2, &zone);
   CharacterRange::AddClassEscape(c, ranges, &zone);
@@ -576,7 +581,7 @@ static RegExpNode* Compile(const char* input, bool multiline, bool unicode,
 static void Execute(const char* input, bool multiline, bool unicode,
                     bool is_one_byte, bool dot_output = false) {
   v8::HandleScope scope(CcTest::isolate());
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   RegExpNode* node = Compile(input, multiline, unicode, is_one_byte, &zone);
   USE(node);
 #ifdef DEBUG
@@ -614,7 +619,7 @@ static unsigned PseudoRandom(int i, int j) {
 
 TEST(SplayTreeSimple) {
   static const unsigned kLimit = 1000;
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   ZoneSplayTree<TestConfig> tree(&zone);
   bool seen[kLimit];
   for (unsigned i = 0; i < kLimit; i++) seen[i] = false;
@@ -681,7 +686,7 @@ TEST(DispatchTableConstruction) {
     }
   }
   // Enter test data into dispatch table.
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   DispatchTable table(&zone);
   for (int i = 0; i < kRangeCount; i++) {
     uc16* range = ranges[i];
@@ -744,6 +749,8 @@ typedef RegExpMacroAssemblerX64 ArchRegExpMacroAssembler;
 typedef RegExpMacroAssemblerARM ArchRegExpMacroAssembler;
 #elif V8_TARGET_ARCH_ARM64
 typedef RegExpMacroAssemblerARM64 ArchRegExpMacroAssembler;
+#elif V8_TARGET_ARCH_S390
+typedef RegExpMacroAssemblerS390 ArchRegExpMacroAssembler;
 #elif V8_TARGET_ARCH_PPC
 typedef RegExpMacroAssemblerPPC ArchRegExpMacroAssembler;
 #elif V8_TARGET_ARCH_MIPS
@@ -793,7 +800,7 @@ TEST(MacroAssemblerNativeSuccess) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              4);
@@ -831,7 +838,7 @@ TEST(MacroAssemblerNativeSimple) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              4);
@@ -898,7 +905,7 @@ TEST(MacroAssemblerNativeSimpleUC16) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::UC16,
                              4);
@@ -971,7 +978,7 @@ TEST(MacroAssemblerNativeBacktrack) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              0);
@@ -1012,7 +1019,7 @@ TEST(MacroAssemblerNativeBackReferenceLATIN1) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              4);
@@ -1062,7 +1069,7 @@ TEST(MacroAssemblerNativeBackReferenceUC16) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::UC16,
                              4);
@@ -1115,7 +1122,7 @@ TEST(MacroAssemblernativeAtStart) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              0);
@@ -1175,7 +1182,7 @@ TEST(MacroAssemblerNativeBackRefNoCase) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              4);
@@ -1234,7 +1241,7 @@ TEST(MacroAssemblerNativeRegisters) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              6);
@@ -1336,7 +1343,7 @@ TEST(MacroAssemblerStackOverflow) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              0);
@@ -1375,7 +1382,7 @@ TEST(MacroAssemblerNativeLotsOfRegisters) {
   ContextInitializer initializer;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
 
   ArchRegExpMacroAssembler m(isolate, &zone, NativeRegExpMacroAssembler::LATIN1,
                              2);
@@ -1423,7 +1430,7 @@ TEST(MacroAssemblerNativeLotsOfRegisters) {
 
 TEST(MacroAssembler) {
   byte codes[1024];
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   RegExpMacroAssemblerIrregexp m(CcTest::i_isolate(), Vector<byte>(codes, 1024),
                                  &zone);
   // ^f(o)o.
@@ -1491,7 +1498,7 @@ TEST(AddInverseToTable) {
   static const int kLimit = 1000;
   static const int kRangeCount = 16;
   for (int t = 0; t < 10; t++) {
-    Zone zone;
+    Zone zone(CcTest::i_isolate()->allocator());
     ZoneList<CharacterRange>* ranges =
         new(&zone) ZoneList<CharacterRange>(kRangeCount, &zone);
     for (int i = 0; i < kRangeCount; i++) {
@@ -1512,7 +1519,7 @@ TEST(AddInverseToTable) {
       CHECK_EQ(is_on, set->Get(0) == false);
     }
   }
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   ZoneList<CharacterRange>* ranges =
       new(&zone) ZoneList<CharacterRange>(1, &zone);
   ranges->Add(CharacterRange::Range(0xFFF0, 0xFFFE), &zone);
@@ -1625,7 +1632,7 @@ TEST(UncanonicalizeEquivalence) {
 
 static void TestRangeCaseIndependence(Isolate* isolate, CharacterRange input,
                                       Vector<CharacterRange> expected) {
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   int count = expected.length();
   ZoneList<CharacterRange>* list =
       new(&zone) ZoneList<CharacterRange>(count, &zone);
@@ -1694,7 +1701,7 @@ static bool InClass(uc32 c, ZoneList<CharacterRange>* ranges) {
 
 
 TEST(UnicodeRangeSplitter) {
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   ZoneList<CharacterRange>* base =
       new(&zone) ZoneList<CharacterRange>(1, &zone);
   base->Add(CharacterRange::Everything(), &zone);
@@ -1738,7 +1745,7 @@ TEST(UnicodeRangeSplitter) {
 
 
 TEST(CanonicalizeCharacterSets) {
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   ZoneList<CharacterRange>* list =
       new(&zone) ZoneList<CharacterRange>(4, &zone);
   CharacterSet set(list);
@@ -1799,7 +1806,7 @@ TEST(CanonicalizeCharacterSets) {
 
 
 TEST(CharacterRangeMerge) {
-  Zone zone;
+  Zone zone(CcTest::i_isolate()->allocator());
   ZoneList<CharacterRange> l1(4, &zone);
   ZoneList<CharacterRange> l2(4, &zone);
   // Create all combinations of intersections of ranges, both singletons and
@@ -1904,7 +1911,6 @@ void MockUseCounterCallback(v8::Isolate* isolate,
 // Test that ES2015 RegExp compatibility fixes are in place, that they
 // are not overly broad, and the appropriate UseCounters are incremented
 TEST(UseCountRegExp) {
-  i::FLAG_harmony_regexps = true;
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   LocalContext env;
@@ -1943,7 +1949,7 @@ TEST(UseCountRegExp) {
   // a UseCounter is incremented to track it.
   v8::Local<v8::Value> resultToString =
       CompileRun("RegExp.prototype.toString().length");
-  CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]);
+  CHECK_EQ(2, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]);
   CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeToString]);
   CHECK(resultToString->IsInt32());
   CHECK_EQ(6,
@@ -1951,7 +1957,7 @@ TEST(UseCountRegExp) {
 
   // .toString() works on normal RegExps
   v8::Local<v8::Value> resultReToString = CompileRun("/a/.toString().length");
-  CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]);
+  CHECK_EQ(2, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]);
   CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeToString]);
   CHECK(resultReToString->IsInt32());
   CHECK_EQ(
@@ -1963,7 +1969,7 @@ TEST(UseCountRegExp) {
       "try { RegExp.prototype.toString.call(null) }"
       "catch (e) { exception = e; }"
       "exception");
-  CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]);
+  CHECK_EQ(2, use_counts[v8::Isolate::kRegExpPrototypeStickyGetter]);
   CHECK_EQ(1, use_counts[v8::Isolate::kRegExpPrototypeToString]);
   CHECK(resultToStringError->IsObject());
 }