[Bug go/91781] [10 regression] r275691 breaks go test "reflect"

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91781

--- Comment #3 from seurer at gcc dot gnu.org ---
Sorry, I missed this was a new test case.  And no, it still doesn't work with
current trunk.