bug#39400: Go retains a reference to GCC

[Ludovic Courtès]

Hello!

It seems that Go unduly retains a reference to GCC:

--8<---------------cut here---------------start------------->8---
$ guix size go
store item                                                       total    self
/gnu/store/g4rrz9rnr8ssbnj3gx3dmsxv4glll8nf-go-1.12.15             646.3   
355.9  55.1%
/gnu/store/x3jx25cd3q363mr7nbgzrhrv1vza6cf7-gcc-7.4.0              177.4   
107.2  16.6%
/gnu/store/ziinjmbnq004866mwjrczsk12wf35qb8-perl-5.30.0            148.2    
57.1   8.8%
/gnu/store/ahqgl4h89xqj695lgqvsaf6zh2nhy4pj-glibc-2.29              37.4    
35.8   5.5%
/gnu/store/64xzk1kwk30n7arqgmxs2qy7wzcnc8i3-gcc-7.4.0-lib           70.1    
32.8   5.1%
/gnu/store/2plcy91lypnbbysb18ymnhaw3zwk8pg1-gcc-7.4.0-lib           70.0    
32.6   5.0%
/gnu/store/9kzrrccpzl6i1sfwb0drb00gi2gwk0x0-coreutils-8.31          90.0    
16.5   2.6%
/gnu/store/dvs3acxwfnwgc7yma6h3y937ri2li47y-gmp-6.1.2               72.6     
2.6   0.4%
/gnu/store/9mmsilz9avdl49i6a6nj5mzfyim8ihv2-tzdata-2019c             2.0     
2.0   0.3%
/gnu/store/cp72ncw4prnsga65n3pzll07hpsg524f-bash-static-5.0.7        1.6     
1.6   0.2%
/gnu/store/29jhbbg1hf557x8j53f9sxd9imlmf02a-bash-minimal-5.0.7      38.4     
1.0   0.2%
/gnu/store/nffbgghxyvrj29lcgxs5fpmi3sx9zzql-acl-2.2.53              70.7     
0.5   0.1%
/gnu/store/in1738m2zvhgpz78n2yqa972sdzc42ss-attr-2.4.48             70.3     
0.3   0.0%
/gnu/store/y127kw0vmw46zcrvfz0i5s2rynq7ddjv-zlib-1.2.11             37.6     
0.2   0.0%
/gnu/store/waw5ci4lazbf2a1x9v6gw1v274nk0gny-libcap-2.27             70.2     
0.2   0.0%
/gnu/store/hzk6d08yiih0alc2raciah570plkjxzh-net-base-5.3             0.0     
0.0   0.0%
total: 646.3 MiB
$ guix describe
Generacio 126   Jan 27 2020 23:59:19    (nuna)
  guix 93f4511
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 93f4511eb0c9b33f5083c2a04f4148e0a494059c
$ grep -r x3jx25cd3q363mr7nbgzrhrv1vza6cf7 
/gnu/store/g4rrz9rnr8ssbnj3gx3dmsxv4glll8nf-go-1.12.15
Duuma dosiero /gnu/store/g4rrz9rnr8ssbnj3gx3dmsxv4glll8nf-go-1.12.15/bin/go 
kongruas
Duuma dosiero 
/gnu/store/g4rrz9rnr8ssbnj3gx3dmsxv4glll8nf-go-1.12.15/pkg/tool/linux_amd64/cgo 
kongruas
--8<---------------cut here---------------end--------------->8---

Ludo’.