diff --git a/src/cmd/compile/internal/gc/reflect.go b/src/cmd/compile/internal/gc/reflect.go
index cbd65c2934..b9124b6317 100644
--- a/src/cmd/compile/internal/gc/reflect.go
+++ b/src/cmd/compile/internal/gc/reflect.go
@@ -958,6 +958,12 @@ func typesymprefix(prefix string, t *types.Type) *types.Sym {
 	p := prefix + "." + t.ShortString()
 	s := typeLookup(p)
 
+	// This function is for looking up type-related generated functions
+	// (e.g. eq and hash). Make sure they are indeed generated.
+	signatsetmu.Lock()
+	addsignat(t)
+	signatsetmu.Unlock()
+
 	//print("algsym: %s -> %+S\n", p, s);
 
 	return s
diff --git a/test/fixedbugs/issue23545.go b/test/fixedbugs/issue23545.go
index 24485c11c5..d97f64af5a 100644
--- a/test/fixedbugs/issue23545.go
+++ b/test/fixedbugs/issue23545.go
@@ -4,12 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build gccgo
-
 // Issue 23545: gccgo didn't lower array comparison to
 // proper equality function in some case.
-// TODO: build only on gccgo for now, as it hits issue
-// #23546.
 
 package main
 
diff --git a/test/fixedbugs/issue23546.go b/test/fixedbugs/issue23546.go
new file mode 100644
index 0000000000..818f0cd6bf
--- /dev/null
+++ b/test/fixedbugs/issue23546.go
@@ -0,0 +1,22 @@
+// run
+
+// Copyright 2018 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 23546: type..eq function not generated when
+// DWARF is disabled.
+
+package main
+
+func main() {
+	use(f() == f())
+}
+
+func f() [2]interface{} {
+	var out [2]interface{}
+	return out
+}
+
+//go:noinline
+func use(bool) {}