1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/self-test/inIon.js b/js/src/jit-test/tests/self-test/inIon.js
new file mode 100644
index 0000000000..e14a0bc4a9
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/inIon.js
@@ -0,0 +1,20 @@
+// Test that inIon eventually becomes truthy.
+// This code should never timeout.
+
+function callInIon() {
+    return inIon();
+};
+
+function test() {
+    // Test with OSR.
+    while(!inIon());
+
+    // Test with inlining.
+    while(!callInIon());
+
+    // Test with zealous gc preventing compilation.
+    while(!inIon()) gc(this, 'shrinking');
+};
+
+test();
+