diff --git a/cmake/warnings.cmake b/cmake/warnings.cmake
index a85fe8963c7..38524acaff6 100644
--- a/cmake/warnings.cmake
+++ b/cmake/warnings.cmake
@@ -191,5 +191,16 @@ elseif (COMPILER_GCC)
         #     34 |   return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
         # For some reason (bug in gcc?) macro 'GCC diagnostic ignored "-Wstringop-overflow"' doesn't help.
         add_cxx_compile_options(-Wno-stringop-overflow)
+        # reinterpretAs.cpp:182:31: error: ‘void* memcpy(void*, const void*, size_t)’ copying an object of non-trivial type
+        # ‘using ToFieldType = using FieldType = using UUID = struct StrongTypedef<wide::integer<128, unsigned int>, DB::UUIDTag>’
+        # {aka ‘struct StrongTypedef<wide::integer<128, unsigned int>, DB::UUIDTag>’} from an array of ‘const char8_t’
+        add_cxx_compile_options(-Wno-error=class-memaccess)
+    endif()
+
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 11)
+        # reinterpretAs.cpp:182:31: error: ‘void* memcpy(void*, const void*, size_t)’ copying an object of non-trivial type
+        # ‘using ToFieldType = using FieldType = using UUID = struct StrongTypedef<wide::integer<128, unsigned int>, DB::UUIDTag>’
+        # {aka ‘struct StrongTypedef<wide::integer<128, unsigned int>, DB::UUIDTag>’} from an array of ‘const char8_t’
+        add_cxx_compile_options(-Wno-error=class-memaccess)
     endif()
 endif ()
diff --git a/contrib/fastops b/contrib/fastops
index 88752a5e03c..ac7ca889858 160000
--- a/contrib/fastops
+++ b/contrib/fastops
@@ -1 +1 @@
-Subproject commit 88752a5e03cf34639a4a37a4b41d8b463fffd2b5
+Subproject commit ac7ca8898589f63f0e7e904199469730d96aefa5
diff --git a/contrib/llvm b/contrib/llvm
index e5751459412..80b3a6fd1be 160000
--- a/contrib/llvm
+++ b/contrib/llvm
@@ -1 +1 @@
-Subproject commit e5751459412bce1391fb7a2e9bbc01e131bf72f1
+Subproject commit 80b3a6fd1be8249f613b945ff49c24d3ee31d6e6
diff --git a/contrib/rocksdb b/contrib/rocksdb
index b6480c69bf3..22690ed890f 160000
--- a/contrib/rocksdb
+++ b/contrib/rocksdb
@@ -1 +1 @@
-Subproject commit b6480c69bf3ab6e298e0d019a07fd4f69029b26a
+Subproject commit 22690ed890fc99873089abcdfc0977182e757c91
diff --git a/src/Compression/CompressionCodecEncrypted.cpp b/src/Compression/CompressionCodecEncrypted.cpp
index 47f93eb6202..7d667fbc1b7 100644
--- a/src/Compression/CompressionCodecEncrypted.cpp
+++ b/src/Compression/CompressionCodecEncrypted.cpp
@@ -106,7 +106,7 @@ namespace DB
 
     std::string CompressionCodecEncrypted::lastErrorString()
     {
-        std::array<char, 1024> buffer;
+        std::array<char, 1024> buffer{};
         ERR_error_string_n(ERR_get_error(), buffer.data(), buffer.size());
         return std::string(buffer.data());
     }
diff --git a/tests/ci/ci_config.json b/tests/ci/ci_config.json
index cbae9a86fdf..fbb2c1d41a9 100644
--- a/tests/ci/ci_config.json
+++ b/tests/ci/ci_config.json
@@ -12,7 +12,7 @@
             "with_coverage": false
         },
         {
-            "compiler": "clang-12",
+            "compiler": "gcc-11",
             "build-type": "",
             "sanitizer": "",
             "package-type": "performance",