There was a debug "22" leaking in compile.scm. It should be a 0.
* module/mescc/compile.scm (init-local): replace "22" with 0.
* lib/tests/scaffold/7v-struct-initialize-zeroes.c: New test.
* build-aux/check-mescc.sh (tcc_tests): Add it.
* build-aux/check-mescc.sh (xfail-tests): Remove
lib/tests/scaffold/72-typedef-struct-def-local.c