Merge bleeding edge up to 9192 into the GC branch.

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 7319abe6ddefc7625f68fc47a2f30fe96638ca0d..a44d9ee460edf3b12585bcddb8099694e351a514 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -36,20 +36,9 @@
 namespace v8 {
 namespace internal {
 
-AstSentinels::AstSentinels()
-    : this_proxy_(Isolate::Current(), true),
-      identifier_proxy_(Isolate::Current(), false),
-      valid_left_hand_side_sentinel_(Isolate::Current()),
-      this_property_(Isolate::Current(), &this_proxy_, NULL, 0),
-      call_sentinel_(Isolate::Current(), NULL, NULL, 0) {
-}
-
-
 // ----------------------------------------------------------------------------
 // All the Accept member functions for each syntax tree node type.
 
-void Slot::Accept(AstVisitor* v) { v->VisitSlot(this); }
-
 #define DECL_ACCEPT(type)                                       \
   void type::Accept(AstVisitor* v) { v->Visit##type(this); }
 AST_NODE_LIST(DECL_ACCEPT)
@@ -101,15 +90,6 @@ VariableProxy::VariableProxy(Isolate* isolate,
 }
 
 
-VariableProxy::VariableProxy(Isolate* isolate, bool is_this)
-    : Expression(isolate),
-      var_(NULL),
-      is_this_(is_this),
-      inside_with_(false),
-      is_trivial_(false) {
-}
-
-
 void VariableProxy::BindTo(Variable* var) {
   ASSERT(var_ == NULL);  // must be bound only once
   ASSERT(var != NULL);  // must bind
@@ -414,12 +394,6 @@ bool TargetCollector::IsInlineable() const {
 }
 
 
-bool Slot::IsInlineable() const {
-  UNREACHABLE();
-  return false;
-}
-
-
 bool ForInStatement::IsInlineable() const {
   return false;
 }
@@ -430,11 +404,6 @@ bool WithStatement::IsInlineable() const {
 }
 
 
-bool ExitContextStatement::IsInlineable() const {
-  return false;
-}
-
-
 bool SwitchStatement::IsInlineable() const {
   return false;
 }
@@ -487,12 +456,6 @@ bool SharedFunctionInfoLiteral::IsInlineable() const {
 }
 
 
-bool ValidLeftHandSideSentinel::IsInlineable() const {
-  UNREACHABLE();
-  return false;
-}
-
-
 bool ForStatement::IsInlineable() const {
   return (init() == NULL || init()->IsInlineable())
       && (cond() == NULL || cond()->IsInlineable())
@@ -566,7 +529,7 @@ bool Conditional::IsInlineable() const {
 
 
 bool VariableProxy::IsInlineable() const {
-  return var()->is_global() || var()->IsStackAllocated();
+  return var()->IsUnallocated() || var()->IsStackAllocated();
 }