# well with unique group sections under ld -r.
#...
-COMDAT group section \[[ 0-9]+\] `foo_group' \[foo_group\] contains 2 sections:
+COMDAT group section \[[ 0-9]+\] `\.group' \[foo_group\] contains 2 sections:
\[Index\] Name
\[[ 0-9]+\] .text.foo
\[[ 0-9]+\] .data.foo