1 files changed, 22 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-1011980.js b/deps/v8/test/mjsunit/regress/regress-1011980.js
new file mode 100644
index 0000000000..89e4fed159
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-1011980.js
@@ -0,0 +1,22 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Flags: --allow-natives-syntax
+
+let hex_b = 0x0b;
+let hex_d = 0x0d;
+let hex_20 = 0x20;
+let hex_52 = 0x52;
+let hex_fe = 0xfe;
+
+function f(a) {
+  let unused = [ a / 8, ...[ ...[ ...[], a / 8, ...[ 7, hex_fe, a, 0, 0, hex_20,
+    6, hex_52, hex_d, 0, hex_b], 0, hex_b], hex_b]];
+}
+
+%PrepareFunctionForOptimization(f)
+f(64)
+f(64);
+%OptimizeFunctionOnNextCall(f);
+f(64);