env GO111MODULE=on
[!symlink] skip

cd m
symlink symlink -> ../outside

cp go.mod go.mod.orig

# Issue 35941: suppress symlink warnings when running 'go mod tidy'.
# 'go mod tidy' should not scan packages in symlinked subdirectories.
go mod tidy
! stderr 'warning: ignoring symlink'
cmp go.mod go.mod.orig

! go build ./symlink
stderr '^symlink[\\/]symlink.go:3:8: module example.net/unresolved provides package example.net/unresolved and is replaced but not required; to add it:\n\tgo get example.net/unresolved@v0.1.0$'

-- m/go.mod --
module example.net/m

go 1.16

replace example.net/unresolved v0.1.0 => ../unresolved
-- m/a.go --
package a
-- outside/symlink.go --
package symlink

import _ "example.net/unresolved"
-- unresolved/go.mod --
module example.net/unresolved

go 1.16
-- unresolved/unresolved.go --
// Package unresolved exists, but 'go mod tidy' won't add it.
package unresolved