"g++-11"   -fvisibility-inlines-hidden -std=c++20 -fPIC -pthread -O0 -fno-inline -Wall -fvisibility=hidden -Wno-variadic-macros -ftrack-macro-expansion=0 -DBOOST_ALL_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1   -I".."  -c -o "/mnt/fs1/teeks99-06/run/results/boost/bin.v2/libs/vmd/test/test_doc_empty_fail3.test/gcc-11~c++20/debug/arm_64/debug-symbols-off/threading-multi/visibility-hidden/test_doc_empty_fail3.o" "../libs/vmd/test/test_doc_empty_fail3.cpp"

In file included from ../libs/vmd/test/test_doc_empty_fail3.cpp:7:
../libs/vmd/test/test_doc_empty_fail3.cxx: In function ???int main()???:
../libs/vmd/test/test_doc_empty_fail3.cxx:24:43: error: narrowing conversion of ???-1??? from ???int??? to ???long unsigned int??? [-Wnarrowing]
   24 |   typedef char BOOST_VMD_IS_EMPTY_ERROR[-1];
      |                                           ^
../libs/vmd/test/test_doc_empty_fail3.cxx:24:41: error: size ???-1??? of array ???BOOST_VMD_IS_EMPTY_ERROR??? is negative
   24 |   typedef char BOOST_VMD_IS_EMPTY_ERROR[-1];
      |                                         ^~
(failed-as-expected) /mnt/fs1/teeks99-06/run/results/boost/bin.v2/libs/vmd/test/test_doc_empty_fail3.test/gcc-11~c++20/debug/arm_64/debug-symbols-off/threading-multi/visibility-hidden/test_doc_empty_fail3.o

    echo failed as expected > "/mnt/fs1/teeks99-06/run/results/boost/bin.v2/libs/vmd/test/test_doc_empty_fail3.test/gcc-11~c++20/debug/arm_64/debug-symbols-off/threading-multi/visibility-hidden/test_doc_empty_fail3.o"