[Bug go/84215] Random results in go/libgo tests

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84215

--- Comment #5 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Today on ARM:
--- FAIL: TestExtraFiles (1.19s)
        testing.go:560: TestExtraFiles: Something already leaked - closed fd 63
        testing.go:560: Run: exit status 1; stdout "leaked parent file. fd =
58; want 57\n", stderr ""
FAIL
FAIL: os/exec