cmd/link: fix reordering of plt/rel
cmd/link: fix reordering of plt/rel

For the Solaris and S/390 builders.

Change-Id: Id9a83e0df91e6d0df8488ec5e2a546ba8e2d800e
Reviewed-on: https://go-review.googlesource.com/22327
Run-TryBot: David Crawshaw <a2f0bf29257797dd66800b4fbb9945c3e216c004@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Michael Hudson-Doyle <5e87ffb38a52af6fb9a19b679e9122c7a4d601a5@canonical.com>
Reviewed-by: Michael Munday <8f145917441a88646319703b14b4bef730f48765@ca.ibm.com>

cloudflare/go,cloudflare/go,goodlang/good,ganboing/go-esx,goodlang/good,momchil-velikov/go,cloudflare/go,4ad/go,josharian/go,ImJasonH/go,ImJasonH/go,vsekhar/elastic-go,4ad/go,derekmarcotte/go,nawawi/go,CAFxX/go,ganboing/go-esx,christopher-henderson/Go,akutz/go,josharian/go,ganboing/go-esx,Cofyc/go,goodlang/good,codestation/go,linux-on-ibm-z/go,nawawi/go,derekmarcotte/go,ImJasonH/go,ImJasonH/go,Cofyc/go,suncycheng/go,codestation/go,codestation/go,vsekhar/elastic-go,nawawi/go,vsekhar/elastic-go,CAFxX/go,akutz/go,CAFxX/go,golang/go,linux-on-ibm-z/go,akutz/go,codestation/go,codestation/go,akutz/go,polyverse-security/go,theif519/go,theif519/go,4ad/go,golang/go,ImJasonH/go,cloudflare/go,vsekhar/elastic-go,ganboing/go-esx,suncycheng/go,momchil-velikov/go,suncycheng/go,ganboing/go-esx,polyverse-security/go,golang/go,nawawi/go,suncycheng/go,golang/go,CAFxX/go,momchil-velikov/go,josharian/go,polyverse-security/go,cloudflare/go,cloudflare/go,CAFxX/go,ganboing/go-esx,CAFxX/go,4ad/go,derekmarcotte/go,polyverse-security/go,golang/go,CAFxX/go,theif519/go,derekmarcotte/go,nawawi/go,momchil-velikov/go,theif519/go,vsekhar/elastic-go,4ad/go,goodlang/good,nawawi/go,cloudflare/go,vsekhar/elastic-go,linux-on-ibm-z/go,cloudflare/go,momchil-velikov/go,josharian/go,golang/go,derekmarcotte/go,golang/go,josharian/go,ganboing/go-esx,josharian/go,suncycheng/go,linux-on-ibm-z/go,akutz/go,ImJasonH/go,Cofyc/go,4ad/go,momchil-velikov/go,momchil-velikov/go,Cofyc/go,Cofyc/go,linux-on-ibm-z/go,ImJasonH/go,akutz/go,vsekhar/elastic-go,vsekhar/elastic-go,theif519/go,goodlang/good,goodlang/good,theif519/go,nawawi/go,ImJasonH/go,golang/go,suncycheng/go,codestation/go,suncycheng/go,ganboing/go-esx,nawawi/go,suncycheng/go,goodlang/good,linux-on-ibm-z/go,goodlang/good,momchil-velikov/go,derekmarcotte/go,derekmarcotte/go,polyverse-security/go,polyverse-security/go,codestation/go,4ad/go,codestation/go,CAFxX/go,polyverse-security/go,linux-on-ibm-z/go,Cofyc/go,josharian/go,linux-on-ibm-z/go,josharian/go,Cofyc/go,polyverse-security/go,akutz/go,Cofyc/go,derekmarcotte/go,4ad/go,akutz/go,theif519/go,theif519/go