Add FacadeFuzz

VersionedMap.cpp

@@ -1,5 +1,6 @@
 #include "VersionedMap.h"
 #include "Internal.h"
+#include "KeyCompare.h"
 #include "RootSet.h"
 
 #include <assert.h>
@@ -390,17 +391,6 @@ auto operator<=>(const VersionedMap::Key &lhs, const Node &rhs) {
   return lhs.len <=> rhs.entry->keyLen;
 }
 
-auto operator<=>(const VersionedMap::Key &lhs, const VersionedMap::Key &rhs) {
-  int cl = std::min(lhs.len, rhs.len);
-  if (cl > 0) {
-    int c = memcmp(lhs.p, rhs.p, cl);
-    if (c != 0) {
-      return c <=> 0;
-    }
-  }
-  return lhs.len <=> rhs.len;
-}
-
 constexpr int orderToInt(std::strong_ordering o) {
   return o == std::strong_ordering::less    ? -1
          : o == std::strong_ordering::equal ? 0