diff --git a/src/cmd/go/testdata/mod/example.com_invalidpath_v1_v1.0.0.txt b/src/cmd/go/testdata/mod/example.com_invalidpath_v1_v1.0.0.txt
new file mode 100644
index 0000000000..7d9d1303a9
--- /dev/null
+++ b/src/cmd/go/testdata/mod/example.com_invalidpath_v1_v1.0.0.txt
@@ -0,0 +1,13 @@
+example.com/invalidpath/v1 v1.0.0
+written by hand
+
+-- .mod --
+module example.com/invalidpath/v1
+-- .info --
+{"Version":"v1.0.0"}
+-- go.mod --
+module example.com/invalidpath/v1
+-- version.go --
+package version
+
+const V = "v1.0.0"
diff --git a/src/cmd/go/testdata/script/mod_import_v1suffix.txt b/src/cmd/go/testdata/script/mod_import_v1suffix.txt
new file mode 100644
index 0000000000..82bb5e2a2f
--- /dev/null
+++ b/src/cmd/go/testdata/script/mod_import_v1suffix.txt
@@ -0,0 +1,11 @@
+env GO111MODULE=on
+
+! go get -m example.com/invalidpath/v1
+! go install .
+
+-- go.mod --
+module example.com
+-- main.go --
+package main
+import _ "example.com/invalidpath/v1"
+func main() {}