Downgrade V8 to 3.1.8.25

There are serious performance regressions both in V8 and our own legacy
networking stack. Until we correct our own problems we are going back to the
old V8.

1 files changed, 5 insertions, 31 deletions

diff --git a/deps/v8/src/frames-inl.h b/deps/v8/src/frames-inl.h
index 5951806245..9430cad0d7 100644
--- a/deps/v8/src/frames-inl.h
+++ b/deps/v8/src/frames-inl.h
@@ -29,8 +29,6 @@
 #define V8_FRAMES_INL_H_
 
 #include "frames.h"
-#include "isolate.h"
-#include "v8memory.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "ia32/frames-ia32.h"
@@ -88,21 +86,11 @@ inline Address* StackHandler::pc_address() const {
 }
 
 
-inline StackFrame::StackFrame(StackFrameIterator* iterator)
-    : iterator_(iterator), isolate_(iterator_->isolate()) {
-}
-
-
 inline StackHandler* StackFrame::top_handler() const {
   return iterator_->handler();
 }
 
 
-inline Code* StackFrame::GetContainingCode(Isolate* isolate, Address pc) {
-  return isolate->pc_to_code_cache()->GetCacheEntry(pc)->code;
-}
-
-
 inline Object* StandardFrame::GetExpression(int index) const {
   return Memory::Object_at(GetExpressionAddress(index));
 }
@@ -184,13 +172,6 @@ inline Object* JavaScriptFrame::function() const {
 
 
 template<typename Iterator>
-inline JavaScriptFrameIteratorTemp<Iterator>::JavaScriptFrameIteratorTemp(
-    Isolate* isolate)
-    : iterator_(isolate) {
-  if (!done()) Advance();
-}
-
-template<typename Iterator>
 inline JavaScriptFrame* JavaScriptFrameIteratorTemp<Iterator>::frame() const {
   // TODO(1233797): The frame hierarchy needs to change. It's
   // problematic that we can't use the safe-cast operator to cast to
@@ -204,9 +185,11 @@ inline JavaScriptFrame* JavaScriptFrameIteratorTemp<Iterator>::frame() const {
 
 template<typename Iterator>
 JavaScriptFrameIteratorTemp<Iterator>::JavaScriptFrameIteratorTemp(
-    Isolate* isolate, StackFrame::Id id)
-    : iterator_(isolate) {
-  AdvanceToId(id);
+    StackFrame::Id id) {
+  while (!done()) {
+    Advance();
+    if (frame()->id() == id) return;
+  }
 }
 
 
@@ -227,15 +210,6 @@ void JavaScriptFrameIteratorTemp<Iterator>::AdvanceToArgumentsFrame() {
 
 
 template<typename Iterator>
-void JavaScriptFrameIteratorTemp<Iterator>::AdvanceToId(StackFrame::Id id) {
-  while (!done()) {
-    Advance();
-    if (frame()->id() == id) return;
-  }
-}
-
-
-template<typename Iterator>
 void JavaScriptFrameIteratorTemp<Iterator>::Reset() {
   iterator_.Reset();
   if (!done()) Advance();