[runtime] Replace global object link with native context link in all contexts.

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index 647adcacb32c2708521b2b2696f55d9ac7415ad2..19aaaa531474ac599f6f74267c0bc072cfef59c7 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -1397,11 +1397,6 @@ Type* Typer::Visitor::TypeJSStoreContext(Node* node) {
 }
 
 
-Type* Typer::Visitor::TypeJSLoadNativeContext(Node* node) {
-  return Type::Intersect(Type::Internal(), Type::TaggedPointer(), zone());
-}
-
-
 Type* Typer::Visitor::TypeJSLoadDynamic(Node* node) { return Type::Any(); }