Remove the optimized construct stub.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index be4af06116e5aadefc8b4b467672a9b5d1446433..956d0886a98ba3120fb4d77fe68140f4af3a64e2 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -4460,8 +4460,6 @@ ACCESSORS(SharedFunctionInfo, function_data, Object, kFunctionDataOffset)
 ACCESSORS(SharedFunctionInfo, script, Object, kScriptOffset)
 ACCESSORS(SharedFunctionInfo, debug_info, Object, kDebugInfoOffset)
 ACCESSORS(SharedFunctionInfo, inferred_name, String, kInferredNameOffset)
-ACCESSORS(SharedFunctionInfo, this_property_assignments, Object,
-          kThisPropertyAssignmentsOffset)
 SMI_ACCESSORS(SharedFunctionInfo, ast_node_count, kAstNodeCountOffset)
 
 
@@ -4478,10 +4476,6 @@ BOOL_ACCESSORS(SharedFunctionInfo, start_position_and_type, is_expression,
 BOOL_ACCESSORS(SharedFunctionInfo, start_position_and_type, is_toplevel,
                kIsTopLevelBit)
 
-BOOL_GETTER(SharedFunctionInfo,
-            compiler_hints,
-            has_only_simple_this_property_assignments,
-            kHasOnlySimpleThisPropertyAssignments)
 BOOL_ACCESSORS(SharedFunctionInfo,
                compiler_hints,
                allows_lazy_compilation,
@@ -4514,8 +4508,6 @@ SMI_ACCESSORS(SharedFunctionInfo, function_token_position,
               kFunctionTokenPositionOffset)
 SMI_ACCESSORS(SharedFunctionInfo, compiler_hints,
               kCompilerHintsOffset)
-SMI_ACCESSORS(SharedFunctionInfo, this_property_assignments_count,
-              kThisPropertyAssignmentsCountOffset)
 SMI_ACCESSORS(SharedFunctionInfo, opt_count, kOptCountOffset)
 SMI_ACCESSORS(SharedFunctionInfo, counters, kCountersOffset)
 SMI_ACCESSORS(SharedFunctionInfo,
@@ -4567,13 +4559,10 @@ PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo,
                         compiler_hints,
                         kCompilerHintsOffset)
 
-PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo,
-                        this_property_assignments_count,
-                        kThisPropertyAssignmentsCountOffset)
-PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo, opt_count, kOptCountOffset)
+PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo, opt_count, kOptCountOffset)
 
-PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo, counters, kCountersOffset)
-PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo,
+PSEUDO_SMI_ACCESSORS_HI(SharedFunctionInfo, counters, kCountersOffset)
+PSEUDO_SMI_ACCESSORS_LO(SharedFunctionInfo,
                         stress_deopt_counter,
                         kStressDeoptCounterOffset)
 #endif