Generate StoreGlobal stubs with Hydrogen

src/types.h

Index: src/types.h
diff --git a/src/types.h b/src/types.h
index acd199d9c45062ab3d24c79f269fcfbef6141a4a..a6c065110555e23392ec40938f8a56956165034e 100644
--- a/src/types.h
+++ b/src/types.h
@@ -120,6 +120,7 @@ class Type : public Object {
   static Type* Array() { return from_bitset(kArray); }
   static Type* Function() { return from_bitset(kFunction); }
   static Type* Proxy() { return from_bitset(kProxy); }
+  static Type* Internal() { return from_bitset(kInternal); }
 
   static Type* Class(Handle<Map> map) { return from_handle(map); }
   static Type* Constant(Handle<HeapObject> value) {
@@ -199,6 +200,7 @@ class Type : public Object {
     kFunction = 1 << 11,
     kOtherObject = 1 << 12,
     kProxy = 1 << 13,
+    kInternal = 1 << 14,
 
     kOddball = kBoolean | kNull | kUndefined,
     kInteger32 = kInteger31 | kOtherInteger,
@@ -209,7 +211,7 @@ class Type : public Object {
     kObject = kUndetectable | kArray | kFunction | kOtherObject,
     kReceiver = kObject | kProxy,
     kAllocated = kDouble | kName | kReceiver,
-    kAny = kOddball | kNumber | kAllocated,
+    kAny = kOddball | kNumber | kAllocated | kInternal,

[rossberg, 2013/06/25 10:47:38]

I can't yet make up my mind whether Internal should really be included in Any
(or Allocated?), or if we should have a different name for that union. But let's
leave it like that for now.

     kDetectable = kAllocated - kUndetectable,
     kNone = 0
   };