binutils-gdb/ld/testsuite/ld-elfcomm/common-1d.d

#source: common-1.s
#as: --elf-stt-common=yes
#ld: -r -z common
#readelf: -s -W

#...
 +[0-9]+: +0+4 +30 +COMMON +GLOBAL +DEFAULT +COM +foobar
#pass