1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1700579.js b/js/src/jit-test/tests/warp/bug1700579.js
new file mode 100644
index 0000000000..73048c3550
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1700579.js
@@ -0,0 +1,28 @@
+// |jit-test| --fast-warmup; --ion-offthread-compile=off
+
+function foo(y) {
+    var a = y - 1;
+
+    if (y) {}
+
+    return bar(a);
+}
+
+with ({}) {}
+var bar;
+function bar1 (x,y) {
+    "use strict";
+    return x | 0;
+}
+
+function bar2(x) {
+    return x;
+}
+
+bar = bar1;
+for (var i = 0; i < 100; i++) {
+    foo(1);
+}
+
+bar = bar2;
+assertEq(foo(-2147483648), -2147483649);