Loads and stores to global vars are now made via property cell shortcuts installed into parent scri…

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index bcc1fe88014d9bcd52a61df4bef62c1131e497a7..a1889ad5a9cf0f952dc215db00198f1e7d3501cb 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -19,6 +19,12 @@ namespace v8 {
 namespace internal {
 
 
+RUNTIME_FUNCTION(UnexpectedStubMiss) {
+  FATAL("Unexpected deopt of a stub");
+  return Smi::FromInt(0);
+}
+
+
 CodeStubDescriptor::CodeStubDescriptor(CodeStub* stub)
     : call_descriptor_(stub->GetCallInterfaceDescriptor()),
       stack_parameter_count_(no_reg),
@@ -720,6 +726,20 @@ void RegExpConstructResultStub::InitializeDescriptor(
 }
 
 
+void LoadGlobalViaContextStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  // Must never deoptimize.
+  descriptor->Initialize(FUNCTION_ADDR(UnexpectedStubMiss));
+}
+
+
+void StoreGlobalViaContextStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  // Must never deoptimize.
+  descriptor->Initialize(FUNCTION_ADDR(UnexpectedStubMiss));
+}
+
+
 void TransitionElementsKindStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   descriptor->Initialize(