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, 5 insertions, 14 deletions

diff --git a/deps/v8/src/full-codegen.h b/deps/v8/src/full-codegen.h
index 2f88184806..89b51f9582 100644
--- a/deps/v8/src/full-codegen.h
+++ b/deps/v8/src/full-codegen.h
@@ -396,15 +396,9 @@ class FullCodeGenerator: public AstVisitor {
   void VisitInDuplicateContext(Expression* expr);
 
   void VisitDeclarations(ZoneList<Declaration*>* declarations);
-  void DeclareModules(Handle<FixedArray> descriptions);
   void DeclareGlobals(Handle<FixedArray> pairs);
   int DeclareGlobalsFlags();
 
-  // Generate code to allocate all (including nested) modules and contexts.
-  // Because of recursive linking and the presence of module alias declarations,
-  // this has to be a separate pass _before_ populating or executing any module.
-  void AllocateModules(ZoneList<Declaration*>* declarations);
-
   // Try to perform a comparison as a fast inlined literal compare if
   // the operands allow it.  Returns true if the compare operations
   // has been matched and all code generated; false otherwise.
@@ -448,13 +442,14 @@ class FullCodeGenerator: public AstVisitor {
   // neither a with nor a catch context.
   void EmitDebugCheckDeclarationContext(Variable* variable);
 
+  // Platform-specific code for checking the stack limit at the back edge of
+  // a loop.
   // This is meant to be called at loop back edges, |back_edge_target| is
   // the jump target of the back edge and is used to approximate the amount
   // of code inside the loop.
-  void EmitBackEdgeBookkeeping(IterationStatement* stmt,
-                               Label* back_edge_target);
-  // Record the OSR AST id corresponding to a back edge in the code.
-  void RecordBackEdge(BailoutId osr_ast_id);
+  void EmitStackCheck(IterationStatement* stmt, Label* back_edge_target);
+  // Record the OSR AST id corresponding to a stack check in the code.
+  void RecordStackCheck(BailoutId osr_ast_id);
   // Emit a table of stack check ids and pcs into the code stream.  Return
   // the offset of the start of the table.
   unsigned EmitStackCheckTable();
@@ -809,12 +804,8 @@ class FullCodeGenerator: public AstVisitor {
   NestedStatement* nesting_stack_;
   int loop_depth_;
   ZoneList<Handle<Object> >* globals_;
-  Handle<FixedArray> modules_;
-  int module_index_;
   const ExpressionContext* context_;
   ZoneList<BailoutEntry> bailout_entries_;
-  // TODO(svenpanne) Rename this to something like back_edges_ and rename
-  // related functions accordingly.
   ZoneList<BailoutEntry> stack_checks_;
   ZoneList<TypeFeedbackCellEntry> type_feedback_cells_;
   int ic_total_count_;