[Bug go/91035] [10 Regression] gotools fails to build on s390x-linux-gnu

[doko at debian dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91035

--- Comment #2 from Matthias Klose <doko at debian dot org> ---
confirmed with trunk 20190815

build dir on
https://people.debian.org/~doko/tmp/tst-gotools.tar.xz

.L37 referenced in expvar.o