[debug] Fix typo

s/arguements_store/arguments_store/

BUG=
R=cbruni@chromium.org

Change-Id: Ib7b573d80521e717c65b30aff5c3b1170d3fc61a
Reviewed-on: https://chromium-review.googlesource.com/555494Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46328}

src/objects-printer.cc

@@ -404,7 +404,7 @@ void PrintSloppyArgumentElements(std::ostream& os, ElementsKind kind,
     os << "\n    " << raw_index << ": param(" << i
        << ")= " << Brief(mapped_entry);
     if (mapped_entry->IsTheHole(isolate)) {
-      os << " in the arguements_store[" << i << "]";
+      os << " in the arguments_store[" << i << "]";
     } else {
       os << " in the context";
     }