Fix parsing bug with arrays that have default values

1 files changed, 28 insertions, 0 deletions

diff --git a/integration/snippets/array-args-with-default-values.js b/integration/snippets/array-args-with-default-values.js
new file mode 100644
index 000000000..f733a1bfa
--- /dev/null
+++ b/integration/snippets/array-args-with-default-values.js
@@ -0,0 +1,28 @@
+var lines;
+const data = () =>
+  lines.map(([a = null, b = null, c = null, d = null]) => ({
+    a,
+    b,
+    c,
+    d,
+  }));
+
+export function test() {
+  let ran = false;
+  lines = [
+    [undefined, undefined, undefined, undefined],
+    [undefined, undefined, undefined, undefined],
+    [undefined, undefined, undefined, undefined],
+    [undefined, undefined, undefined, undefined],
+  ];
+
+  for (let foo of data()) {
+    console.assert(foo.a === null);
+    console.assert(foo.b === null);
+    console.assert(foo.c === null);
+    console.assert(foo.d === null);
+    ran = true;
+  }
+  console.assert(ran);
+  testDone(import.meta.url);
+}