Merge #13767: Remove redundant assignments (dead stores)

dd777f3e12 Remove unused variable (practicalswift)
cdf4089457 Remove redundant assignments (dead stores) (practicalswift)

Pull request description:

  Remove redundant assignments (dead stores).

Tree-SHA512: e852059b22a161c34a0f18a6a6ed798e2b35e6d2b9f23c526af0ec33e01f6a5bb1fa5ada6671ba183d7b02393ff0d397be5aa4b4e2edbd5e604c9a76ac48d249

2 files changed, 3 insertions, 6 deletions

diff --git a/src/bench/crypto_hash.cpp b/src/bench/crypto_hash.cpp
index bab22f5984..5b0cf27e04 100644
--- a/src/bench/crypto_hash.cpp
+++ b/src/bench/crypto_hash.cpp
@@ -80,18 +80,16 @@ static void SipHash_32b(benchmark::State& state)
 static void FastRandom_32bit(benchmark::State& state)
 {
     FastRandomContext rng(true);
-    uint32_t x = 0;
     while (state.KeepRunning()) {
-        x += rng.rand32();
+        rng.rand32();
     }
 }
 
 static void FastRandom_1bit(benchmark::State& state)
 {
     FastRandomContext rng(true);
-    uint32_t x = 0;
     while (state.KeepRunning()) {
-        x += rng.randbool();
+        rng.randbool();
     }
 }
 
diff --git a/src/bench/rollingbloom.cpp b/src/bench/rollingbloom.cpp
index 43e7635047..0a99ea3184 100644
--- a/src/bench/rollingbloom.cpp
+++ b/src/bench/rollingbloom.cpp
@@ -12,7 +12,6 @@ static void RollingBloom(benchmark::State& state)
     CRollingBloomFilter filter(120000, 0.000001);
     std::vector<unsigned char> data(32);
     uint32_t count = 0;
-    uint64_t match = 0;
     while (state.KeepRunning()) {
         count++;
         data[0] = count;
@@ -25,7 +24,7 @@ static void RollingBloom(benchmark::State& state)
         data[1] = count >> 16;
         data[2] = count >> 8;
         data[3] = count;
-        match += filter.contains(data);
+        filter.contains(data);
     }
 }