Clang based static analysis false postive reports on UNINIT_VAR

$ cmake -DWITH_UBSAN=ON -DCMAKE_C_COMPILER=/usr/local/lib/infer/infer/lib/wrappers/clang -DCMAKE_CXX_COMPILER=/usr/local/lib/infer/infer/lib/wrappers/clang++ ../mariadb-server-rebase/

-- The C compiler identification is Clang 20.1.1

-- The CXX compiler identification is Clang 20.1.1

-- Detecting C compiler ABI info

-- Detecting C compiler ABI info - done

-- Check for working C compiler: /usr/local/lib/infer/infer/lib/wrappers/clang - skipped

-- Detecting C compile features

-- Detecting C compile features - done

-- Detecting CXX compiler ABI info

-- Detecting CXX compiler ABI info - done

-- Check for working CXX compiler: /usr/local/lib/infer/infer/lib/wrappers/clang++ - skipped

-- Detecting CXX compile features

-- Detecting CXX compile features - done

-- Running cmake version 3.31.6

...have_C__fsanitize_undefined__fno_sanitize_alignment__U_FORTIFY_SOURCE__DWITH_UBSAN

-- Performing Test have_C__fsanitize_undefined__fno_sanitize_alignment__U_FORTIFY_SOURCE__DWITH_UBSAN - Failed

-- Performing Test have_CXX__fsanitize_undefined__fno_sanitize_alignment__U_FORTIFY_SOURCE__DWITH_UBSAN

-- Performing Test have_CXX__fsanitize_undefined__fno_sanitize_alignment__U_FORTIFY_SOURCE__DWITH_UBSAN - Failed