[wasm] Use memcmp to compare module bytes

This is much faster than std::lexicographical_compare.

R=clemensb@chromium.org

Bug: chromium:1048554
Change-Id: I5f0ba22654e172535b6e6fcf6d2a460e278d3cfd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2036078Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66109}

src/wasm/wasm-engine.h

@@ -69,8 +69,10 @@ class NativeModuleCache {
       if (prefix_hash != other.prefix_hash) {
         return prefix_hash < other.prefix_hash;
       }
-      return std::lexicographical_compare(
-          bytes.begin(), bytes.end(), other.bytes.begin(), other.bytes.end());
+      if (bytes.size() != other.bytes.size()) {
+        return bytes.size() < other.bytes.size();
+      }
+      return memcmp(bytes.begin(), other.bytes.begin(), bytes.size()) < 0;
     }
   };