1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1721006.js b/js/src/jit-test/tests/basic/bug1721006.js
new file mode 100644
index 0000000000..1f48286175
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1721006.js
@@ -0,0 +1,15 @@
+// |jit-test| --no-threads; --baseline-warmup-threshold=10; --ion-warmup-threshold=100
+
+function foo() {
+    let x = 1;
+    let y = 1;
+    let z = 1;
+    for (let i = 0; i < 4; i++) {}
+    for (let i = 0; i < 1000; i++) {
+        y &= x;
+        for (let j = 0; j < 100; j++) {}
+        x = z;
+        for (let j = 0; j < 8; j++) {}
+    }
+}
+foo();