[runtime] Keep hash in eval cache after update to avoid unnecessary misses

Change-Id: I0618d37226c2a6b55d67d51ad24f95c0f582bb91
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1564197
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60784}

src/objects.cc

@@ -7444,7 +7444,8 @@ Handle<CompilationCacheTable> CompilationCacheTable::PutEval(
       // and entry remains correct.
       AddToFeedbackCellsMap(cache, EntryToIndex(entry) + 2, native_context,
                             feedback_cell);
-      return cache;
+      // Add hash again even on cache hit to avoid unnecessary cache delay in
+      // case of hash collisions.
     }
   }