Upgrade V8 to 3.1.8.16

deps/v8/src/objects.h

@@ -585,6 +585,7 @@ enum CompareResult {
 
 class StringStream;
 class ObjectVisitor;
+class Failure;
 
 struct ValueInfo : public Malloced {
   ValueInfo() : type(FIRST_TYPE), ptr(NULL), str(NULL), number(0) { }
@@ -611,6 +612,10 @@ class MaybeObject BASE_EMBEDDED {
     *obj = reinterpret_cast<Object*>(this);
     return true;
   }
+  inline Failure* ToFailureUnchecked() {
+    ASSERT(IsFailure());
+    return reinterpret_cast<Failure*>(this);
+  }
   inline Object* ToObjectUnchecked() {
     ASSERT(!IsFailure());
     return reinterpret_cast<Object*>(this);

deps/v8/src/top.cc

@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -740,6 +740,7 @@ Failure* Top::ReThrow(MaybeObject* exception, MessageLocation* location) {
 
   // Set the exception being re-thrown.
   set_pending_exception(exception);
+  if (exception->IsFailure()) return exception->ToFailureUnchecked();
   return Failure::Exception();
 }
 

deps/v8/src/version.cc

@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     1
 #define BUILD_NUMBER      8
-#define PATCH_LEVEL       14
+#define PATCH_LEVEL       16
 #define CANDIDATE_VERSION false
 
 // Define SONAME to have the SCons build the put a specific SONAME into the

deps/v8/src/x64/assembler-x64.cc

@@ -1379,7 +1379,7 @@ void Assembler::jmp(NearLabel* L) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   if (L->is_bound()) {
-    const int short_size = sizeof(int8_t);
+    const int short_size = 2;
     int offs = L->pos() - pc_offset();
     ASSERT(offs <= 0);
     ASSERT(is_int8(offs - short_size));