Remove per-isolate compile-time constants cache.

runtime/vm/object_store.h

Index: runtime/vm/object_store.h
diff --git a/runtime/vm/object_store.h b/runtime/vm/object_store.h
index 4e0fe885b3b46dfe1e1852f0391b9a581914d740..54b7044b1a5036b9a534fa22b5157f600742249a 100644
--- a/runtime/vm/object_store.h
+++ b/runtime/vm/object_store.h
@@ -440,13 +440,6 @@ class ObjectStore {
     return OFFSET_OF(ObjectStore, library_load_error_table_);
   }
 
-  RawArray* vm_compile_time_constants() const {
-    return vm_compile_time_constants_;
-  }
-  void set_vm_compile_time_constants(const Array& value) {
-    vm_compile_time_constants_ = value.raw();
-  }
-
   RawArray* unique_dynamic_targets() const {
     return unique_dynamic_targets_;
   }
@@ -579,7 +572,6 @@ class ObjectStore {
   V(RawTypedData*, empty_uint32_array_)                                        \
   V(RawFunction*, handle_message_function_)                                    \
   V(RawArray*, library_load_error_table_)                                      \
-  V(RawArray*, vm_compile_time_constants_)                                     \
   V(RawArray*, unique_dynamic_targets_)                                        \
   V(RawGrowableObjectArray*, token_objects_)                                   \
   V(RawArray*, token_objects_map_)                                             \
@@ -598,7 +590,7 @@ OBJECT_STORE_FIELD_LIST(DECLARE_OBJECT_STORE_FIELD)
   RawObject** to_snapshot(Snapshot::Kind kind) {
     switch (kind) {
       case Snapshot::kCore:
-        return reinterpret_cast<RawObject**>(&vm_compile_time_constants_);
+        return reinterpret_cast<RawObject**>(&library_load_error_table_);
       case Snapshot::kAppWithJIT:
       case Snapshot::kAppNoJIT:
         return to();