Revert "Optimize function across closures."

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 321a885516705693cef1d0de4c0e4c8898b1616e..d12896fb94d8d1aa2b0dce522c819f59dd3905e3 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6783,8 +6783,6 @@ class SharedFunctionInfo: public HeapObject {
   inline int ic_age();
   inline void set_ic_age(int age);
 
-  DECL_BOOLEAN_ACCESSORS(optimize_next_closure)
-
   // Indicates if this function can be lazy compiled.
   // This is used to determine if we can safely flush code from a function
   // when doing GC if we expect that the function will no longer be used.
@@ -7075,7 +7073,6 @@ class SharedFunctionInfo: public HeapObject {
   enum CompilerHints {
     kAllowLazyCompilation,
     kAllowLazyCompilationWithoutContext,
-    kOptimizeNextClosure,
     kOptimizationDisabled,
     kStrictModeFunction,
     kUsesArguments,