1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug940846.js b/js/src/jit-test/tests/ion/bug940846.js
new file mode 100644
index 0000000000..587e24db29
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug940846.js
@@ -0,0 +1,15 @@
+function a(f, i) {
+    results = []
+    for (var k = 0; k < 10; ++k) {
+        gc();
+        try {
+            results.push(f(i[k]));
+        } catch (e) {
+            results.push(e);
+        }
+    }
+}
+g = (function(x, y) {
+    return Math.fround((x ? Math.f : m0) ? w : Math.fround())
+})
+a(g, [Number.MAX_VALUE])