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-rw-r--r--js/src/jit-test/tests/ion/bug913749.js33
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug913749.js b/js/src/jit-test/tests/ion/bug913749.js
new file mode 100644
index 0000000000..e48310272f
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug913749.js
@@ -0,0 +1,33 @@
+y = new Float32Array(11);
+x = [];
+
+Object.defineProperty(x, 18, {
+ get: (function() {
+ y.length;
+ }),
+});
+JSON.stringify(this);
+
+y = undefined;
+
+// The exact error message varies nondeterministically. Accept several
+// variations on the theme.
+var variations = [
+ `y is undefined`,
+ `can't access property "length" of undefined`,
+ `can't access property "length", y is undefined`,
+ `undefined has no properties`,
+];
+
+var hits = 0;
+for (var i = 0; i < 3; i++) {
+ try {
+ x.toString();
+ } catch (e) {
+ assertEq(e.constructor.name, 'TypeError');
+ if (!variations.includes(e.message))
+ throw new Error(`expected one of ${JSON.stringify(variations)}; got ${String(e.message)}`);
+ hits++;
+ }
+}
+assertEq(hits, 3);