1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1720093-1.js b/js/src/jit-test/tests/warp/bug1720093-1.js
new file mode 100644
index 0000000000..8f2286c117
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1720093-1.js
@@ -0,0 +1,17 @@
+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 {
+    throw 1;
+  } catch {
+    assertEq(obj[x], 0);
+  }
+}
+main();