diff --git a/src/cmd/compile/internal/noder/types.go b/src/cmd/compile/internal/noder/types.go
index c9f7c2bbe4..a5a90aacaa 100644
--- a/src/cmd/compile/internal/noder/types.go
+++ b/src/cmd/compile/internal/noder/types.go
@@ -118,9 +118,14 @@ func (g *irgen) typ0(typ types2.Type) *types.Type {
 				return s.Def.Type()
 			}
 
+			// Make sure the base generic type exists in type1 (it may
+			// not yet if we are referecing an imported generic type, as
+			// opposed to a generic type declared in this package).
+			_ = g.obj(typ.Orig().Obj())
+
 			// Create a forwarding type first and put it in the g.typs
 			// map, in order to deal with recursive generic types
-			// (including via method signatures).. Set up the extra
+			// (including via method signatures). Set up the extra
 			// ntyp information (Def, RParams, which may set
 			// HasTParam) before translating the underlying type
 			// itself, so we handle recursion correctly.
diff --git a/test/typeparam/issue47514c.dir/a.go b/test/typeparam/issue47514c.dir/a.go
new file mode 100644
index 0000000000..782b1d2a4f
--- /dev/null
+++ b/test/typeparam/issue47514c.dir/a.go
@@ -0,0 +1,5 @@
+package a
+
+type Doer[T any] interface {
+	Do() T
+}
diff --git a/test/typeparam/issue47514c.dir/main.go b/test/typeparam/issue47514c.dir/main.go
new file mode 100644
index 0000000000..bc1166f761
--- /dev/null
+++ b/test/typeparam/issue47514c.dir/main.go
@@ -0,0 +1,10 @@
+package main
+
+import "a"
+
+func Do[T any](doer a.Doer[T]) {
+	doer.Do()
+}
+
+func main() {
+}
diff --git a/test/typeparam/issue47514c.go b/test/typeparam/issue47514c.go
new file mode 100644
index 0000000000..76930e5e4f
--- /dev/null
+++ b/test/typeparam/issue47514c.go
@@ -0,0 +1,7 @@
+// rundir -G=3
+
+// Copyright 2021 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ignored