diff --git a/validation-test/Sema/type_checker_perf_failing/array_of_tuples.swift.gyb b/validation-test/Sema/type_checker_perf_failing/array_of_tuples.swift.gyb
new file mode 100644
index 0000000000000..8c693d9b22eb0
--- /dev/null
+++ b/validation-test/Sema/type_checker_perf_failing/array_of_tuples.swift.gyb
@@ -0,0 +1,9 @@
+// RUN: not %scale-test -O --begin 1 --end 3 --step 1 --select incrementScopeCounter %s
+// REQUIRES: OS=macosx
+// REQUIRES: asserts
+
+let a = [
+%for i in range(0, N):
+  (1, 1),
+%end
+]