Enable component builds for fuzzers

src/machine-type.h

Index: src/machine-type.h
diff --git a/src/machine-type.h b/src/machine-type.h
index 511f0e9669e0cc19a724b8e567139b7aa3fc59fe..062e15d9c9a9d7a668d695d166f4b4b36655183e 100644
--- a/src/machine-type.h
+++ b/src/machine-type.h
@@ -218,7 +218,8 @@ V8_INLINE size_t hash_value(MachineType type) {
          static_cast<size_t>(type.semantic()) * 16;
 }
 
-std::ostream& operator<<(std::ostream& os, MachineRepresentation rep);
+V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
+                                           MachineRepresentation rep);
 std::ostream& operator<<(std::ostream& os, MachineSemantic type);
 std::ostream& operator<<(std::ostream& os, MachineType type);