deps: update v8 to 4.3.61.21

* @indutny's SealHandleScope patch (484bebc38319fc7c622478037922ad73b2edcbf9)
  has been cherry picked onto the top of V8 to make it compile.
* There's some test breakage in contextify.
* This was merged at the request of the TC.

PR-URL: https://github.com/iojs/io.js/pull/1632

1 files changed, 56 insertions, 17 deletions

diff --git a/deps/v8/src/globals.h b/deps/v8/src/globals.h
index 32396d89ea..e93fa3b07e 100644
--- a/deps/v8/src/globals.h
+++ b/deps/v8/src/globals.h
@@ -89,7 +89,7 @@ namespace internal {
 
 // Determine whether double field unboxing feature is enabled.
 #if V8_TARGET_ARCH_64_BIT
-#define V8_DOUBLE_FIELDS_UNBOXING 0
+#define V8_DOUBLE_FIELDS_UNBOXING 1
 #else
 #define V8_DOUBLE_FIELDS_UNBOXING 0
 #endif
@@ -408,19 +408,18 @@ typedef bool (*WeakSlotCallbackWithHeap)(Heap* heap, Object** pointer);
 // consecutive.
 // Keep this enum in sync with the ObjectSpace enum in v8.h
 enum AllocationSpace {
-  NEW_SPACE,            // Semispaces collected with copying collector.
-  OLD_POINTER_SPACE,    // May contain pointers to new space.
-  OLD_DATA_SPACE,       // Must not have pointers to new space.
-  CODE_SPACE,           // No pointers to new space, marked executable.
-  MAP_SPACE,            // Only and all map objects.
-  CELL_SPACE,           // Only and all cell objects.
-  PROPERTY_CELL_SPACE,  // Only and all global property cell objects.
-  LO_SPACE,             // Promoted large objects.
+  NEW_SPACE,          // Semispaces collected with copying collector.
+  OLD_POINTER_SPACE,  // May contain pointers to new space.
+  OLD_DATA_SPACE,     // Must not have pointers to new space.
+  CODE_SPACE,         // No pointers to new space, marked executable.
+  MAP_SPACE,          // Only and all map objects.
+  CELL_SPACE,         // Only and all cell objects.
+  LO_SPACE,           // Promoted large objects.
 
   FIRST_SPACE = NEW_SPACE,
   LAST_SPACE = LO_SPACE,
   FIRST_PAGED_SPACE = OLD_POINTER_SPACE,
-  LAST_PAGED_SPACE = PROPERTY_CELL_SPACE
+  LAST_PAGED_SPACE = CELL_SPACE
 };
 const int kSpaceTagSize = 3;
 const int kSpaceTagMask = (1 << kSpaceTagSize) - 1;
@@ -452,6 +451,13 @@ enum VisitMode {
 enum NativesFlag { NOT_NATIVES_CODE, NATIVES_CODE };
 
 
+// ParseRestriction is used to restrict the set of valid statements in a
+// unit of compilation.  Restriction violations cause a syntax error.
+enum ParseRestriction {
+  NO_PARSE_RESTRICTION,         // All expressions are allowed.
+  ONLY_SINGLE_FUNCTION_LITERAL  // Only a single FunctionLiteral expression.
+};
+
 // A CodeDesc describes a buffer holding instructions and relocation
 // information. The instructions start at the beginning of the buffer
 // and grow forward, the relocation information starts at the end of
@@ -696,9 +702,15 @@ enum ScopeType {
   ARROW_SCOPE      // The top-level scope for an arrow function literal.
 };
 
-
+// The mips architecture prior to revision 5 has inverted encoding for sNaN.
+#if (V8_TARGET_ARCH_MIPS && !defined(_MIPS_ARCH_MIPS32R6)) || \
+    (V8_TARGET_ARCH_MIPS64 && !defined(_MIPS_ARCH_MIPS64R6))
+const uint32_t kHoleNanUpper32 = 0xFFFF7FFF;
+const uint32_t kHoleNanLower32 = 0xFFFF7FFF;
+#else
 const uint32_t kHoleNanUpper32 = 0xFFF7FFFF;
 const uint32_t kHoleNanLower32 = 0xFFF7FFFF;
+#endif
 
 const uint64_t kHoleNanInt64 =
     (static_cast<uint64_t>(kHoleNanUpper32) << 32) | kHoleNanLower32;
@@ -711,10 +723,12 @@ enum VariableMode {
 
   CONST_LEGACY,    // declared via legacy 'const' declarations
 
-  LET,             // declared via 'let' declarations
+  LET,             // declared via 'let' declarations (first lexical)
 
   CONST,           // declared via 'const' declarations
 
+  IMPORT,          // declared via 'import' declarations (last lexical)
+
   // Variables introduced by the compiler:
   INTERNAL,        // like VAR, but not user-visible (may or may not
                    // be in a context)
@@ -742,17 +756,17 @@ inline bool IsDynamicVariableMode(VariableMode mode) {
 
 
 inline bool IsDeclaredVariableMode(VariableMode mode) {
-  return mode >= VAR && mode <= CONST;
+  return mode >= VAR && mode <= IMPORT;
 }
 
 
 inline bool IsLexicalVariableMode(VariableMode mode) {
-  return mode == LET || mode == CONST;
+  return mode >= LET && mode <= IMPORT;
 }
 
 
 inline bool IsImmutableVariableMode(VariableMode mode) {
-  return mode == CONST || mode == CONST_LEGACY;
+  return mode == CONST || mode == CONST_LEGACY || mode == IMPORT;
 }
 
 
@@ -796,6 +810,10 @@ enum InitializationFlag {
 enum MaybeAssignedFlag { kNotAssigned, kMaybeAssigned };
 
 
+// Serialized in PreparseData, so numeric values should not be changed.
+enum ParseErrorType { kSyntaxError = 0, kReferenceError = 1 };
+
+
 enum ClearExceptionFlag {
   KEEP_EXCEPTION,
   CLEAR_EXCEPTION
@@ -821,8 +839,13 @@ enum FunctionKind {
   kDefaultConstructor = 1 << 4,
   kSubclassConstructor = 1 << 5,
   kBaseConstructor = 1 << 6,
+  kInObjectLiteral = 1 << 7,
   kDefaultBaseConstructor = kDefaultConstructor | kBaseConstructor,
-  kDefaultSubclassConstructor = kDefaultConstructor | kSubclassConstructor
+  kDefaultSubclassConstructor = kDefaultConstructor | kSubclassConstructor,
+  kConciseMethodInObjectLiteral = kConciseMethod | kInObjectLiteral,
+  kConciseGeneratorMethodInObjectLiteral =
+      kConciseGeneratorMethod | kInObjectLiteral,
+  kAccessorFunctionInObjectLiteral = kAccessorFunction | kInObjectLiteral,
 };
 
 
@@ -836,7 +859,10 @@ inline bool IsValidFunctionKind(FunctionKind kind) {
          kind == FunctionKind::kDefaultBaseConstructor ||
          kind == FunctionKind::kDefaultSubclassConstructor ||
          kind == FunctionKind::kBaseConstructor ||
-         kind == FunctionKind::kSubclassConstructor;
+         kind == FunctionKind::kSubclassConstructor ||
+         kind == FunctionKind::kConciseMethodInObjectLiteral ||
+         kind == FunctionKind::kConciseGeneratorMethodInObjectLiteral ||
+         kind == FunctionKind::kAccessorFunctionInObjectLiteral;
 }
 
 
@@ -888,6 +914,19 @@ inline bool IsConstructor(FunctionKind kind) {
          (FunctionKind::kBaseConstructor | FunctionKind::kSubclassConstructor |
           FunctionKind::kDefaultConstructor);
 }
+
+
+inline bool IsInObjectLiteral(FunctionKind kind) {
+  DCHECK(IsValidFunctionKind(kind));
+  return kind & FunctionKind::kInObjectLiteral;
+}
+
+
+inline FunctionKind WithObjectLiteralBit(FunctionKind kind) {
+  kind = static_cast<FunctionKind>(kind | FunctionKind::kInObjectLiteral);
+  DCHECK(IsValidFunctionKind(kind));
+  return kind;
+}
 } }  // namespace v8::internal
 
 namespace i = v8::internal;