Age inline caches after context disposal.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index f27a436120f5b3791ce3b8832f80517377f283e6..1c9d91ab75f16330d24e14d3749f12a7ab8606e8 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3496,6 +3496,10 @@ ACCESSORS(SharedFunctionInfo, inferred_name, String, kInferredNameOffset)
 ACCESSORS(SharedFunctionInfo, this_property_assignments, Object,
           kThisPropertyAssignmentsOffset)
 
+SMI_ACCESSORS(SharedFunctionInfo,
+              context_disposed_count,
+              kContextDisposedCountOffset)
+
 SMI_ACCESSORS(SharedFunctionInfo, profiler_ticks, kProfilerTicksOffset)
 
 BOOL_ACCESSORS(FunctionTemplateInfo, flag, hidden_prototype,
@@ -4118,7 +4122,7 @@ ACCESSORS(Code, handler_table, FixedArray, kHandlerTableOffset)
 ACCESSORS(Code, deoptimization_data, FixedArray, kDeoptimizationDataOffset)
 ACCESSORS(Code, type_feedback_info, Object, kTypeFeedbackInfoOffset)
 ACCESSORS(Code, gc_metadata, Object, kGCMetadataOffset)
-
+INT_ACCESSORS(Code, context_disposed_count, kContextDisposedCountOffset)
 
 byte* Code::instruction_start()  {
   return FIELD_ADDR(this, kHeaderSize);