1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1720093-2.js b/js/src/jit-test/tests/warp/bug1720093-2.js
new file mode 100644
index 0000000000..af66f6477c
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1720093-2.js
@@ -0,0 +1,19 @@
+function throws() { with ({}) {} throw 1; }
+
+function main() {
+  let obj = {2294967295: 0, 2294967296: 1};
+  let x;
+
+  for (let i = 0; i < 110; i++) {
+    let c = 2294967296;
+    x = --c;
+    Math.fround(0);
+  }
+
+  try {
+    return throws()
+  } catch {
+    assertEq(obj[x], 0);
+  }
+}
+main();