deps: downgrade v8 to 3.14.5

V8 3.15 and newer have stability and performance issues. Roll back to
a known-good version.

1 files changed, 2 insertions, 23 deletions

diff --git a/deps/v8/src/contexts.cc b/deps/v8/src/contexts.cc
index 4cb52d3a6c..93c9795404 100644
--- a/deps/v8/src/contexts.cc
+++ b/deps/v8/src/contexts.cc
@@ -55,15 +55,6 @@ JSBuiltinsObject* Context::builtins() {
 }
 
 
-Context* Context::global_context() {
-  Context* current = this;
-  while (!current->IsGlobalContext()) {
-    current = current->previous();
-  }
-  return current;
-}
-
-
 Context* Context::native_context() {
   // Fast case: the global object for this context has been set.  In
   // that case, the global object has a direct pointer to the global
@@ -192,10 +183,6 @@ Handle<Object> Context::Lookup(Handle<String> name,
                 ? IMMUTABLE_CHECK_INITIALIZED_HARMONY :
                 IMMUTABLE_IS_INITIALIZED_HARMONY;
             break;
-          case MODULE:
-            *attributes = READ_ONLY;
-            *binding_flags = IMMUTABLE_IS_INITIALIZED_HARMONY;
-            break;
           case DYNAMIC:
           case DYNAMIC_GLOBAL:
           case DYNAMIC_LOCAL:
@@ -264,6 +251,8 @@ void Context::AddOptimizedFunction(JSFunction* function) {
     }
   }
 
+  CHECK(function->next_function_link()->IsUndefined());
+
   // Check that the context belongs to the weak native contexts list.
   bool found = false;
   Object* context = GetHeap()->native_contexts_list();
@@ -276,16 +265,6 @@ void Context::AddOptimizedFunction(JSFunction* function) {
   }
   CHECK(found);
 #endif
-
-  // If the function link field is already used then the function was
-  // enqueued as a code flushing candidate and we remove it now.
-  if (!function->next_function_link()->IsUndefined()) {
-    CodeFlusher* flusher = GetHeap()->mark_compact_collector()->code_flusher();
-    flusher->EvictCandidate(function);
-  }
-
-  ASSERT(function->next_function_link()->IsUndefined());
-
   function->set_next_function_link(get(OPTIMIZED_FUNCTIONS_LIST));
   set(OPTIMIZED_FUNCTIONS_LIST, function);
 }