1-- go.mod -- 2module example.com/issue37756 3 4go 1.14 5-- a/a.go -- 6package a 7 8import _ "example.com/issue37756/c" 9 10func A1() {} 11func A2() {} 12-- b/b.go -- 13package b 14 15func B1() {} 16func B2() {} 17-- c/c.go -- 18package c 19 20func C1() {} 21func C2() {}