refine some messages of exception in regexp tree

[hanfei1991]

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Documentation entry for user-facing changes

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Information about CI checks: https://clickhouse.com/docs/en/development/continuous-integration/

[nickitat]

2023-04-11 13:10:54 FAILED: src/CMakeFiles/dbms.dir/Storages/FileLog/StorageFileLog.cpp.o 
2023-04-11 13:10:54 /usr/bin/sccache /usr/bin/clang++-15 --target=x86_64-linux-gnu --sysroot=/ClickHouse/cmake/linux/../../contrib/sysroot/linux-x86_64/x86_64-linux-gnu/libc -DBOOST_ASIO_HAS_STD_INVOKE_RESULT=1 -DBOOST_ASIO_STANDALONE=1 -DENABLE_MULTITARGET_CODE=1 -DLZ4_DISABLE_DEPRECATE_WARNINGS=1 -DPOCO_ENABLE_CPP11 -DPOCO_HAVE_FD_EPOLL -DPOCO_OS_FAMILY_UNIX -DSTD_EXCEPTION_HAS_STACK_TRACE=1 -DUNALIGNED_OK -DWITH_COVERAGE=0 -DWITH_GZFILEOP -DX86_64 -DZLIB_COMPAT -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -I/fasttest-workspace/build/includes/configs -I/ClickHouse/src -I/fasttest-workspace/build/src -I/fasttest-workspace/build/src/Core/include -I/ClickHouse/base/glibc-compatibility/memcpy -I/ClickHouse/base/base/.. -I/fasttest-workspace/build/base/base/.. -I/ClickHouse/contrib/cctz/include -I/ClickHouse/base/pcg-random/. -I/ClickHouse/contrib/miniselect/include -I/ClickHouse/contrib/zstd/lib -I/ClickHouse/contrib/lz4/lib -isystem /ClickHouse/contrib/llvm-project/libcxx/include -isystem /ClickHouse/contrib/llvm-project/libcxxabi/include -isystem /ClickHouse/contrib/libunwind/include -isystem /ClickHouse/contrib/libdivide-cmake/. -isystem /ClickHouse/contrib/libdivide -isystem /ClickHouse/contrib/jemalloc-cmake/include -isystem /ClickHouse/contrib/abseil-cpp -isystem /ClickHouse/contrib/croaring/cpp -isystem /ClickHouse/contrib/croaring/include -isystem /ClickHouse/contrib/cityhash102/include -isystem /ClickHouse/contrib/boost -isystem /ClickHouse/base/poco/Net/include -isystem /ClickHouse/base/poco/Foundation/include -isystem /ClickHouse/base/poco/Util/include -isystem /ClickHouse/base/poco/JSON/include -isystem /ClickHouse/base/poco/XML/include -isystem /ClickHouse/contrib/replxx/include -isystem /ClickHouse/contrib/fmtlib-cmake/../fmtlib/include -isystem /ClickHouse/contrib/magic_enum/include -isystem /ClickHouse/contrib/double-conversion -isystem /ClickHouse/contrib/dragonbox/include -isystem /ClickHouse/contrib/re2 -isystem /fasttest-workspace/build/contrib/re2-cmake -isystem /ClickHouse/contrib/zlib-ng -isystem /fasttest-workspace/build/contrib/zlib-ng-cmake -isystem /ClickHouse/contrib/pdqsort -isystem /ClickHouse/contrib/xz/src/liblzma/api -isystem /fasttest-workspace/build/contrib/liburing/src/include-compat -isystem /fasttest-workspace/build/contrib/liburing/src/include -isystem /ClickHouse/contrib/liburing/src/include -isystem /ClickHouse/contrib/fast_float/include -isystem /ClickHouse/contrib/NuRaft/include -isystem /ClickHouse/base/poco/MongoDB/include -isystem /ClickHouse/contrib/sparsehash-c11 -isystem /ClickHouse/contrib/simdjson/include -isystem /ClickHouse/contrib/consistent-hashing --gcc-toolchain=/ClickHouse/cmake/linux/../../contrib/sysroot/linux-x86_64 -std=c++20 -fdiagnostics-color=always -Xclang -fuse-ctor-homing -fsized-deallocation  -gdwarf-aranges -pipe -mssse3 -msse4.1 -msse4.2 -mpclmul -mpopcnt -fasynchronous-unwind-tables -ffile-prefix-map=/ClickHouse=. -falign-functions=32 -mbranches-within-32B-boundaries -fdiagnostics-absolute-paths -fstrict-vtable-pointers -fexperimental-new-pass-manager -Wall -Wextra -Wframe-larger-than=65536 -Weverything -Wpedantic -Wno-zero-length-array -Wno-c++98-compat-pedantic -Wno-c++98-compat -Wno-c++20-compat -Wno-sign-conversion -Wno-implicit-int-conversion -Wno-implicit-int-float-conversion -Wno-ctad-maybe-unsupported -Wno-disabled-macro-expansion -Wno-documentation-unknown-command -Wno-double-promotion -Wno-exit-time-destructors -Wno-float-equal -Wno-global-constructors -Wno-missing-prototypes -Wno-missing-variable-declarations -Wno-padded -Wno-switch-enum -Wno-undefined-func-template -Wno-unused-template -Wno-vla -Wno-weak-template-vtables -Wno-weak-vtables -Wno-thread-safety-negative -O2 -g -DNDEBUG -O3 -g -gdwarf-4  -fno-pie -std=c++2b   -D OS_LINUX -Werror -nostdinc++ -MD -MT src/CMakeFiles/dbms.dir/Storages/FileLog/StorageFileLog.cpp.o -MF src/CMakeFiles/dbms.dir/Storages/FileLog/StorageFileLog.cpp.o.d -o src/CMakeFiles/dbms.dir/Storages/FileLog/StorageFileLog.cpp.o -c /ClickHouse/src/Storages/FileLog/StorageFileLog.cpp
2023-04-11 13:10:54 In file included from /ClickHouse/src/Storages/FileLog/StorageFileLog.cpp:10:
2023-04-11 13:10:54 /ClickHouse/src/Interpreters/InterpreterInsertQuery.h:73:9: error: unknown type name 'ThreadGroupPtr'
2023-04-11 13:10:54         ThreadGroupPtr running_group,
2023-04-11 13:10:54         ^
2023-04-11 13:10:54 1 error generated.