diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 5816a58081d..73cffc1d5d3 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -360,6 +360,52 @@ jobs:
           docker kill "$(docker ps -q)" ||:
           docker rm -f "$(docker ps -a -q)" ||:
           sudo rm -fr "$TEMP_PATH" "$CACHES_PATH"
+  BuilderBinGCC:
+    needs: [DockerHubPush]
+    if: ${{ !contains(github.event.pull_request.labels.*.name, 'pr-documentation') && !contains(github.event.pull_request.labels.*.name, 'pr-doc-fix') }}
+    runs-on: [self-hosted, builder]
+    steps:
+      - name: Set envs
+        run: |
+          cat >> "$GITHUB_ENV" << 'EOF'
+          TEMP_PATH=${{runner.temp}}/build_check
+          IMAGES_PATH=${{runner.temp}}/images_path
+          REPO_COPY=${{runner.temp}}/build_check/ClickHouse
+          CACHES_PATH=${{runner.temp}}/../ccaches
+          CHECK_NAME=ClickHouse build check (actions)
+          BUILD_NAME=binary_gcc
+          EOF
+      - name: Download changed images
+        uses: actions/download-artifact@v2
+        with:
+          name: changed_images
+          path: ${{ env.IMAGES_PATH }}
+      - name: Clear repository
+        run: |
+          sudo rm -fr "$GITHUB_WORKSPACE" && mkdir "$GITHUB_WORKSPACE"
+      - name: Check out repository code
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+          fetch-depth: 0 # otherwise we will have no info about contributors
+      - name: Build
+        run: |
+          sudo rm -fr "$TEMP_PATH"
+          mkdir -p "$TEMP_PATH"
+          cp -r "$GITHUB_WORKSPACE" "$TEMP_PATH"
+          cd "$REPO_COPY/tests/ci" && python3 build_check.py "$CHECK_NAME" "$BUILD_NAME"
+      - name: Upload build URLs to artifacts
+        if: ${{ success() || failure() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ env.BUILD_NAME }}
+          path: ${{ env.TEMP_PATH }}/${{ env.BUILD_NAME }}.json
+      - name: Cleanup
+        if: always()
+        run: |
+          docker kill "$(docker ps -q)" ||:
+          docker rm -f "$(docker ps -a -q)" ||:
+          sudo rm -fr "$TEMP_PATH" "$CACHES_PATH"
   BuilderDebAsan:
     needs: [DockerHubPush]
     runs-on: [self-hosted, builder]
@@ -918,6 +964,7 @@ jobs:
       - BuilderDebRelease
       - BuilderDebAarch64
       - BuilderBinRelease
+      - BuilderBinGCC
       - BuilderDebAsan
       - BuilderDebTsan
       - BuilderDebUBsan
@@ -2608,6 +2655,40 @@ jobs:
           docker kill "$(docker ps -q)" ||:
           docker rm -f "$(docker ps -a -q)" ||:
           sudo rm -fr "$TEMP_PATH"
+  UnitTestsReleaseGCC:
+    needs: [BuilderBinGCC]
+    runs-on: [self-hosted, fuzzer-unit-tester]
+    steps:
+      - name: Set envs
+        run: |
+          cat >> "$GITHUB_ENV" << 'EOF'
+          TEMP_PATH=${{runner.temp}}/unit_tests_asan
+          REPORTS_PATH=${{runner.temp}}/reports_dir
+          CHECK_NAME=Unit tests (release-gcc, actions)
+          REPO_COPY=${{runner.temp}}/unit_tests_asan/ClickHouse
+          EOF
+      - name: Download json reports
+        uses: actions/download-artifact@v2
+        with:
+          path: ${{ env.REPORTS_PATH }}
+      - name: Clear repository
+        run: |
+          sudo rm -fr "$GITHUB_WORKSPACE" && mkdir "$GITHUB_WORKSPACE"
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: Unit test
+        run: |
+          sudo rm -fr "$TEMP_PATH"
+          mkdir -p "$TEMP_PATH"
+          cp -r "$GITHUB_WORKSPACE" "$TEMP_PATH"
+          cd "$REPO_COPY/tests/ci"
+          python3 unit_tests_check.py "$CHECK_NAME"
+      - name: Cleanup
+        if: always()
+        run: |
+          docker kill "$(docker ps -q)" ||:
+          docker rm -f "$(docker ps -a -q)" ||:
+          sudo rm -fr "$TEMP_PATH"
   UnitTestsTsan:
     needs: [BuilderDebTsan]
     runs-on: [self-hosted, fuzzer-unit-tester]
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index d50a2151f2f..87a31b9683c 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -370,6 +370,48 @@ jobs:
           docker kill "$(docker ps -q)" ||:
           docker rm -f "$(docker ps -a -q)" ||:
           sudo rm -fr "$TEMP_PATH" "$CACHES_PATH"
+  BuilderBinGCC:
+    needs: [DockerHubPush, FastTest]
+    runs-on: [self-hosted, builder]
+    steps:
+      - name: Set envs
+        run: |
+          cat >> "$GITHUB_ENV" << 'EOF'
+          TEMP_PATH=${{runner.temp}}/build_check
+          IMAGES_PATH=${{runner.temp}}/images_path
+          REPO_COPY=${{runner.temp}}/build_check/ClickHouse
+          CACHES_PATH=${{runner.temp}}/../ccaches
+          CHECK_NAME=ClickHouse build check (actions)
+          BUILD_NAME=binary_gcc
+          EOF
+      - name: Download changed images
+        uses: actions/download-artifact@v2
+        with:
+          name: changed_images
+          path: ${{ runner.temp }}/images_path
+      - name: Check out repository code
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+          fetch-depth: 0 # otherwise we will have no info about contributors
+      - name: Build
+        run: |
+          sudo rm -fr "$TEMP_PATH"
+          mkdir -p "$TEMP_PATH"
+          cp -r "$GITHUB_WORKSPACE" "$TEMP_PATH"
+          cd "$REPO_COPY/tests/ci" && python3 build_check.py "$CHECK_NAME" "$BUILD_NAME"
+      - name: Upload build URLs to artifacts
+        if: ${{ success() || failure() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ env.BUILD_NAME }}
+          path: ${{ runner.temp }}/build_check/${{ env.BUILD_NAME }}.json
+      - name: Cleanup
+        if: always()
+        run: |
+          docker kill "$(docker ps -q)" ||:
+          docker rm -f "$(docker ps -a -q)" ||:
+          sudo rm -fr "$TEMP_PATH" "$CACHES_PATH"
   BuilderDebAarch64:
     needs: [DockerHubPush, FastTest]
     runs-on: [self-hosted, builder]
@@ -963,6 +1005,7 @@ jobs:
       - BuilderDebRelease
       - BuilderDebAarch64
       - BuilderBinRelease
+      - BuilderBinGCC
       - BuilderDebAsan
       - BuilderDebTsan
       - BuilderDebUBsan
@@ -2808,6 +2851,40 @@ jobs:
           docker kill "$(docker ps -q)" ||:
           docker rm -f "$(docker ps -a -q)" ||:
           sudo rm -fr "$TEMP_PATH"
+  UnitTestsReleaseGCC:
+    needs: [BuilderBinGCC]
+    runs-on: [self-hosted, fuzzer-unit-tester]
+    steps:
+      - name: Set envs
+        run: |
+          cat >> "$GITHUB_ENV" << 'EOF'
+          TEMP_PATH=${{runner.temp}}/unit_tests_asan
+          REPORTS_PATH=${{runner.temp}}/reports_dir
+          CHECK_NAME=Unit tests (release-gcc, actions)
+          REPO_COPY=${{runner.temp}}/unit_tests_asan/ClickHouse
+          EOF
+      - name: Download json reports
+        uses: actions/download-artifact@v2
+        with:
+          path: ${{ env.REPORTS_PATH }}
+      - name: Clear repository
+        run: |
+          sudo rm -fr "$GITHUB_WORKSPACE" && mkdir "$GITHUB_WORKSPACE"
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: Unit test
+        run: |
+          sudo rm -fr "$TEMP_PATH"
+          mkdir -p "$TEMP_PATH"
+          cp -r "$GITHUB_WORKSPACE" "$TEMP_PATH"
+          cd "$REPO_COPY/tests/ci"
+          python3 unit_tests_check.py "$CHECK_NAME"
+      - name: Cleanup
+        if: always()
+        run: |
+          docker kill "$(docker ps -q)" ||:
+          docker rm -f "$(docker ps -a -q)" ||:
+          sudo rm -fr "$TEMP_PATH"
   UnitTestsTsan:
     needs: [BuilderDebTsan]
     runs-on: [self-hosted, fuzzer-unit-tester]
diff --git a/contrib/avro-cmake/CMakeLists.txt b/contrib/avro-cmake/CMakeLists.txt
index d91ce40dd54..c5bda41782d 100644
--- a/contrib/avro-cmake/CMakeLists.txt
+++ b/contrib/avro-cmake/CMakeLists.txt
@@ -69,9 +69,10 @@ endif ()
 target_compile_options(_avrocpp PRIVATE ${SUPPRESS_WARNINGS})
 
 # create a symlink to include headers with <avro/...>
+set(AVRO_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/include")
 ADD_CUSTOM_TARGET(avro_symlink_headers ALL
-    COMMAND ${CMAKE_COMMAND} -E make_directory "${AVROCPP_ROOT_DIR}/include"
-    COMMAND ${CMAKE_COMMAND} -E create_symlink "${AVROCPP_ROOT_DIR}/api" "${AVROCPP_ROOT_DIR}/include/avro"
+    COMMAND ${CMAKE_COMMAND} -E make_directory "${AVRO_INCLUDE_DIR}"
+    COMMAND ${CMAKE_COMMAND} -E create_symlink "${AVROCPP_ROOT_DIR}/api" "${AVRO_INCLUDE_DIR}/avro"
 )
 add_dependencies(_avrocpp avro_symlink_headers)
-target_include_directories(_avrocpp SYSTEM BEFORE PUBLIC "${AVROCPP_ROOT_DIR}/include")
+target_include_directories(_avrocpp SYSTEM BEFORE PUBLIC "${AVRO_INCLUDE_DIR}")
diff --git a/contrib/boost-cmake/CMakeLists.txt b/contrib/boost-cmake/CMakeLists.txt
index 0215c68e683..3d66bc97971 100644
--- a/contrib/boost-cmake/CMakeLists.txt
+++ b/contrib/boost-cmake/CMakeLists.txt
@@ -27,7 +27,11 @@ target_include_directories (_boost_headers_only SYSTEM BEFORE INTERFACE ${LIBRAR
 
 # asio
 
-target_compile_definitions (_boost_headers_only INTERFACE BOOST_ASIO_STANDALONE=1)
+target_compile_definitions (_boost_headers_only INTERFACE
+  BOOST_ASIO_STANDALONE=1
+  # Avoid using of deprecated in c++ > 17 std::result_of
+  BOOST_ASIO_HAS_STD_INVOKE_RESULT=1
+)
 
 # iostreams
 
diff --git a/src/AggregateFunctions/AggregateFunctionSumMap.cpp b/src/AggregateFunctions/AggregateFunctionSumMap.cpp
index 32c51d5f746..0b3a2067703 100644
--- a/src/AggregateFunctions/AggregateFunctionSumMap.cpp
+++ b/src/AggregateFunctions/AggregateFunctionSumMap.cpp
@@ -67,7 +67,7 @@ auto parseArguments(const std::string & name, const DataTypes & arguments)
         values_types.push_back(array_type->getNestedType());
     }
 
-    return std::tuple{std::move(keys_type), std::move(values_types), tuple_argument};
+    return std::tuple<DataTypePtr, DataTypes, bool>{std::move(keys_type), std::move(values_types), tuple_argument};
 }
 
 // This function instantiates a particular overload of the sumMap family of
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b24181625d3..145015ad0f2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -573,10 +573,6 @@ if (ENABLE_TESTS)
         target_link_libraries(unit_tests_dbms PRIVATE ch_contrib::simdjson)
     endif()
 
-    if(TARGET ch_contrib::rapidjson)
-        target_include_directories(unit_tests_dbms PRIVATE ch_contrib::rapidjson)
-    endif()
-
     if (TARGET ch_contrib::yaml_cpp)
         target_link_libraries(unit_tests_dbms PRIVATE ch_contrib::yaml_cpp)
     endif()
diff --git a/src/Columns/ColumnObject.cpp b/src/Columns/ColumnObject.cpp
index 54439edb93d..64c7a84c263 100644
--- a/src/Columns/ColumnObject.cpp
+++ b/src/Columns/ColumnObject.cpp
@@ -521,7 +521,7 @@ ColumnObject::ColumnObject(bool is_nullable_)
 {
 }
 
-ColumnObject::ColumnObject(SubcolumnsTree && subcolumns_, bool is_nullable_)
+ColumnObject::ColumnObject(Subcolumns && subcolumns_, bool is_nullable_)
     : is_nullable(is_nullable_)
     , subcolumns(std::move(subcolumns_))
     , num_rows(subcolumns.empty() ? 0 : (*subcolumns.begin())->data.size())
@@ -696,7 +696,7 @@ const ColumnObject::Subcolumn & ColumnObject::getSubcolumn(const PathInData & ke
 ColumnObject::Subcolumn & ColumnObject::getSubcolumn(const PathInData & key)
 {
     if (const auto * node = subcolumns.findLeaf(key))
-        return const_cast<SubcolumnsTree::Node *>(node)->data;
+        return const_cast<Subcolumns::Node *>(node)->data;
 
     throw Exception(ErrorCodes::ILLEGAL_COLUMN, "There is no subcolumn {} in ColumnObject", key.getPath());
 }
@@ -794,7 +794,7 @@ bool ColumnObject::isFinalized() const
 void ColumnObject::finalize()
 {
     size_t old_size = size();
-    SubcolumnsTree new_subcolumns;
+    Subcolumns new_subcolumns;
     for (auto && entry : subcolumns)
     {
         const auto & least_common_type = entry->data.getLeastCommonType();
diff --git a/src/Columns/ColumnObject.h b/src/Columns/ColumnObject.h
index fe8763f3777..9d61b165042 100644
--- a/src/Columns/ColumnObject.h
+++ b/src/Columns/ColumnObject.h
@@ -138,20 +138,20 @@ public:
         size_t num_of_defaults_in_prefix = 0;
     };
 
-    using SubcolumnsTree = SubcolumnsTree<Subcolumn>;
+    using Subcolumns = SubcolumnsTree<Subcolumn>;
 
 private:
     /// If true then all subcolumns are nullable.
     const bool is_nullable;
 
-    SubcolumnsTree subcolumns;
+    Subcolumns subcolumns;
     size_t num_rows;
 
 public:
     static constexpr auto COLUMN_NAME_DUMMY = "_dummy";
 
     explicit ColumnObject(bool is_nullable_);
-    ColumnObject(SubcolumnsTree && subcolumns_, bool is_nullable_);
+    ColumnObject(Subcolumns && subcolumns_, bool is_nullable_);
 
     /// Checks that all subcolumns have consistent sizes.
     void checkConsistency() const;
@@ -173,8 +173,8 @@ public:
     /// It cares about consistency of sizes of Nested arrays.
     void addNestedSubcolumn(const PathInData & key, const FieldInfo & field_info, size_t new_size);
 
-    const SubcolumnsTree & getSubcolumns() const { return subcolumns; }
-    SubcolumnsTree & getSubcolumns() { return subcolumns; }
+    const Subcolumns & getSubcolumns() const { return subcolumns; }
+    Subcolumns & getSubcolumns() { return subcolumns; }
     PathsInData getKeys() const;
 
     /// Finalizes all subcolumns.
diff --git a/src/Common/FileSegment.cpp b/src/Common/FileSegment.cpp
index ceb16249c66..ff4d114c71b 100644
--- a/src/Common/FileSegment.cpp
+++ b/src/Common/FileSegment.cpp
@@ -437,6 +437,7 @@ String FileSegment::stateToString(FileSegment::State state)
         case FileSegment::State::SKIP_CACHE:
             return "SKIP_CACHE";
     }
+    __builtin_unreachable();
 }
 
 String FileSegmentsHolder::toString()
diff --git a/src/DataTypes/Serializations/SerializationObject.cpp b/src/DataTypes/Serializations/SerializationObject.cpp
index 60b196092ed..64d79d107e1 100644
--- a/src/DataTypes/Serializations/SerializationObject.cpp
+++ b/src/DataTypes/Serializations/SerializationObject.cpp
@@ -63,12 +63,12 @@ private:
     size_t num_dimensions_to_keep;
 };
 
-using Node = typename ColumnObject::SubcolumnsTree::Node;
+using Node = typename ColumnObject::Subcolumns::Node;
 
 /// Finds a subcolumn from the same Nested type as @entry and inserts
 /// an array with default values with consistent sizes as in Nested type.
 bool tryInsertDefaultFromNested(
-    const std::shared_ptr<Node> & entry, const ColumnObject::SubcolumnsTree & subcolumns)
+    const std::shared_ptr<Node> & entry, const ColumnObject::Subcolumns & subcolumns)
 {
     if (!entry->path.hasNested())
         return false;
@@ -198,7 +198,7 @@ void SerializationObject<Parser>::deserializeWholeText(IColumn & column, ReadBuf
 template <typename Parser>
 void SerializationObject<Parser>::deserializeTextEscaped(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
 {
-    deserializeTextImpl(column, [&](String & s) { readEscapedStringInto(s, istr); });
+    deserializeTextImpl(column, [&](String & s) { readEscapedString(s, istr); });
 }
 
 template <typename Parser>
diff --git a/src/Disks/IO/CachedReadBufferFromRemoteFS.h b/src/Disks/IO/CachedReadBufferFromRemoteFS.h
index 3d03debcd01..0e9dcc1033f 100644
--- a/src/Disks/IO/CachedReadBufferFromRemoteFS.h
+++ b/src/Disks/IO/CachedReadBufferFromRemoteFS.h
@@ -96,6 +96,7 @@ private:
             case ReadType::REMOTE_FS_READ_AND_PUT_IN_CACHE:
                 return "REMOTE_FS_READ_AND_PUT_IN_CACHE";
         }
+        __builtin_unreachable();
     }
     size_t first_offset = 0;
 };
diff --git a/src/IO/ReadWriteBufferFromHTTP.h b/src/IO/ReadWriteBufferFromHTTP.h
index 061dd772212..40a15ace4ad 100644
--- a/src/IO/ReadWriteBufferFromHTTP.h
+++ b/src/IO/ReadWriteBufferFromHTTP.h
@@ -663,7 +663,7 @@ public:
 
         Range range{from, to};
         from = to;
-        return std::move(range);
+        return range;
     }
 
 private:
diff --git a/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp b/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp
index 515ef6c3058..4c0aa20d795 100644
--- a/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp
+++ b/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp
@@ -150,12 +150,12 @@ static ColumnsDescription createColumnsDescription(const NamesAndTypesList & col
 
     ColumnsDescription columns_description;
 
-    for (
-        auto [column_name_and_type, declare_column_ast] = std::tuple{columns_name_and_type.begin(), columns_definition->children.begin()};
-        column_name_and_type != columns_name_and_type.end();
-        column_name_and_type++,
-        declare_column_ast++
-    )
+    /// FIXME: we could write it like auto [a, b] = std::tuple(x, y),
+    /// but this produce endless recursion in gcc-11, and leads to SIGSEGV
+    /// (see git blame for details).
+    auto column_name_and_type = columns_name_and_type.begin();
+    auto declare_column_ast = columns_definition->children.begin();
+    for (; column_name_and_type != columns_name_and_type.end(); column_name_and_type++, declare_column_ast++)
     {
         const auto & declare_column = (*declare_column_ast)->as<MySQLParser::ASTDeclareColumn>();
         String comment;
diff --git a/src/Interpreters/RowRefs.cpp b/src/Interpreters/RowRefs.cpp
index 2b791f5a189..97feed54c08 100644
--- a/src/Interpreters/RowRefs.cpp
+++ b/src/Interpreters/RowRefs.cpp
@@ -192,7 +192,7 @@ private:
                             using Result = Element;
 
                             static TKey & extractKey(Element & elem) { return elem.value; }
-                            static Element extractResult(Element & elem) { return elem; }
+                            static Result extractResult(Element & elem) { return elem; }
                         };
 
                         if constexpr (is_descending)
diff --git a/src/Interpreters/threadPoolCallbackRunner.cpp b/src/Interpreters/threadPoolCallbackRunner.cpp
index fadad235039..c580d352c49 100644
--- a/src/Interpreters/threadPoolCallbackRunner.cpp
+++ b/src/Interpreters/threadPoolCallbackRunner.cpp
@@ -25,7 +25,7 @@ CallbackRunner threadPoolCallbackRunner(ThreadPool & pool)
                 /// Usually it could be ok, because thread pool task is executed before user-level memory tracker is destroyed.
                 /// However, thread could stay alive inside the thread pool, and it's ThreadStatus as well.
                 /// When, finally, we destroy the thread (and the ThreadStatus),
-                /// it can use memory tracker in the ~ThreadStatus in order to alloc/free untracked_memory,\
+                /// it can use memory tracker in the ~ThreadStatus in order to alloc/free untracked_memory,
                 /// and by this time user-level memory tracker may be already destroyed.
                 ///
                 /// As a work-around, reset memory tracker to total, which is always alive.
diff --git a/src/Processors/Transforms/WindowTransform.cpp b/src/Processors/Transforms/WindowTransform.cpp
index b81ed099915..3af72aff2cd 100644
--- a/src/Processors/Transforms/WindowTransform.cpp
+++ b/src/Processors/Transforms/WindowTransform.cpp
@@ -488,7 +488,7 @@ auto WindowTransform::moveRowNumberNoCheck(const RowNumber & _x, int64_t offset)
         }
     }
 
-    return std::tuple{x, offset};
+    return std::tuple<RowNumber, int64_t>{x, offset};
 }
 
 auto WindowTransform::moveRowNumber(const RowNumber & _x, int64_t offset) const
@@ -505,7 +505,7 @@ auto WindowTransform::moveRowNumber(const RowNumber & _x, int64_t offset) const
     assert(oo == 0);
 #endif
 
-    return std::tuple{x, o};
+    return std::tuple<RowNumber, int64_t>{x, o};
 }
 
 
diff --git a/tests/ci/ci_config.py b/tests/ci/ci_config.py
index 5c63b3f1ad1..7a183fd0bd6 100644
--- a/tests/ci/ci_config.py
+++ b/tests/ci/ci_config.py
@@ -206,6 +206,7 @@ CI_CONFIG = {
             "binary_freebsd",
             "binary_darwin_aarch64",
             "binary_ppc64le",
+            "binary_gcc",
         ],
     },
     "tests_config": {