Remove the extraneous variable creation in Match().

PiperOrigin-RevId: 673830978
Change-Id: I81e52da873dcff75d6a8502578600ec7db50f221

Author: Abseil Team

absl/container/internal/raw_hash_set.h

@@ -702,10 +702,8 @@ struct GroupSse2Impl {
   // Returns a bitmask representing the positions of slots that match hash.
   BitMask<uint16_t, kWidth> Match(h2_t hash) const {
     auto match = _mm_set1_epi8(static_cast<char>(hash));
-    BitMask<uint16_t, kWidth> result = BitMask<uint16_t, kWidth>(0);
-    result = BitMask<uint16_t, kWidth>(
+    return BitMask<uint16_t, kWidth>(
         static_cast<uint16_t>(_mm_movemask_epi8(_mm_cmpeq_epi8(match, ctrl))));
-    return result;
   }
 
   // Returns a bitmask representing the positions of empty slots.