diff --git a/test/fixedbugs/issue34577.dir/a.go b/test/fixedbugs/issue34577.dir/a.go
new file mode 100644
index 0000000000..c0203818c1
--- /dev/null
+++ b/test/fixedbugs/issue34577.dir/a.go
@@ -0,0 +1,14 @@
+// Copyright 2019 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 a
+
+type A struct {
+	x int
+}
+
+//go:noinline
+func W(a A, k, v interface{}) A {
+	return A{3}
+}
diff --git a/test/fixedbugs/issue34577.dir/b.go b/test/fixedbugs/issue34577.dir/b.go
new file mode 100644
index 0000000000..8f07c62175
--- /dev/null
+++ b/test/fixedbugs/issue34577.dir/b.go
@@ -0,0 +1,19 @@
+// Copyright 2019 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 b
+
+import "a"
+
+type B struct {
+	s string
+}
+
+func (b B) Func(x a.A) a.A {
+	return a.W(x, k, b)
+}
+
+type ktype int
+
+const k ktype = 0
diff --git a/test/fixedbugs/issue34577.go b/test/fixedbugs/issue34577.go
new file mode 100644
index 0000000000..b4caaebb66
--- /dev/null
+++ b/test/fixedbugs/issue34577.go
@@ -0,0 +1,9 @@
+// compiledir
+
+// Copyright 2019 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.
+
+// Issue 34577: gccgo compiler error emitting export data
+
+package ignored