diff --git a/src/pkg/regexp/all_test.go b/src/pkg/regexp/all_test.go
index a84c641..301a1df 100644
--- a/src/pkg/regexp/all_test.go
+++ b/src/pkg/regexp/all_test.go
@@ -473,6 +473,11 @@
 	}
 }
 
+// This ran out of stack before issue 7608 was fixed.
+func TestOnePassCutoff(t *testing.T) {
+	MustCompile(`^(?:x{1,1000}){1,1000}$`)
+}
+
 func BenchmarkLiteral(b *testing.B) {
 	x := strings.Repeat("x", 50) + "y"
 	b.StopTimer()
@@ -588,6 +593,7 @@
 		re.Match(x)
 	}
 }
+
 func BenchmarkNotOnePassShortA(b *testing.B) {
 	b.StopTimer()
 	x := []byte("abcddddddeeeededd")
@@ -597,6 +603,7 @@
 		re.Match(x)
 	}
 }
+
 func BenchmarkOnePassShortB(b *testing.B) {
 	b.StopTimer()
 	x := []byte("abcddddddeeeededd")
@@ -606,6 +613,7 @@
 		re.Match(x)
 	}
 }
+
 func BenchmarkNotOnePassShortB(b *testing.B) {
 	b.StopTimer()
 	x := []byte("abcddddddeeeededd")
@@ -615,6 +623,7 @@
 		re.Match(x)
 	}
 }
+
 func BenchmarkOnePassLongPrefix(b *testing.B) {
 	b.StopTimer()
 	x := []byte("abcdefghijklmnopqrstuvwxyz")
@@ -624,6 +633,7 @@
 		re.Match(x)
 	}
 }
+
 func BenchmarkOnePassLongNotPrefix(b *testing.B) {
 	b.StopTimer()
 	x := []byte("abcdefghijklmnopqrstuvwxyz")