Revert "Use stability to only conditionally flush information from the CheckMaps table."

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index e1d11fb2147ec882e1466155f7b979f59edc42dd..6bb011829c04e7b07b993e9c56442ce37a2d13a1 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -299,8 +299,7 @@ HValue* CodeStubGraphBuilder<ToNumberStub>::BuildCodeStub() {
   // Check if the parameter is already a SMI or heap number.
   IfBuilder if_number(this);
   if_number.If<HIsSmiAndBranch>(value);
-  if_number.OrIf<HCompareMap>(value, isolate()->factory()->heap_number_map(),
-                              top_info());
+  if_number.OrIf<HCompareMap>(value, isolate()->factory()->heap_number_map());
   if_number.Then();
 
   // Return the number.
@@ -363,8 +362,7 @@ HValue* CodeStubGraphBuilder<FastCloneShallowArrayStub>::BuildCodeStub() {
     HValue* elements = AddLoadElements(boilerplate);
 
     IfBuilder if_fixed_cow(this);
-    if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map(),
-                                 top_info());
+    if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map());
     if_fixed_cow.Then();
     push_value = BuildCloneShallowArray(boilerplate,
                                         allocation_site,
@@ -375,7 +373,7 @@ HValue* CodeStubGraphBuilder<FastCloneShallowArrayStub>::BuildCodeStub() {
     if_fixed_cow.Else();
 
     IfBuilder if_fixed(this);
-    if_fixed.If<HCompareMap>(elements, factory->fixed_array_map(), top_info());
+    if_fixed.If<HCompareMap>(elements, factory->fixed_array_map());
     if_fixed.Then();
     push_value = BuildCloneShallowArray(boilerplate,
                                         allocation_site,