https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108261
--- Comment #6 from Iain Sandoe <iains at gcc dot gnu.org> --- and another datum (on x86_64linux): $ ../gcc-13-0-0p/bin/gm2 /home/iains/gcc-master/src-patched/gcc/testsuite/gm2/coroutines/pim/run/pass/testiotransfer.mod -flibs=cor,iso,pim -o tio -O $ LD_LIBRARY_PATH=../gcc-13-0-0p/lib64 ./tio now to TRANSFER... clock starting now to LISTEN 1000 IOTRANSFERs successfully completed exit 0 $ ../gcc-13-0-0p/bin/gm2 /home/iains/gcc-master/src-patched/gcc/testsuite/gm2/coroutines/pim/run/pass/testiotransfer.mod -flibs=cor,pim,iso -o tio -O $ LD_LIBRARY_PATH=../gcc-13-0-0p/lib64 ./tio ../../../../src-patched/libgm2/libm2iso/../../gcc/m2/gm2-libs-iso/RTentity.mod:244:in findChildAndParent has caused internal runtime error, RTentity is either corrupt or the module storage has not been initialized yet