1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/osr-with-optimized-out.js b/js/src/jit-test/tests/ion/osr-with-optimized-out.js
new file mode 100644
index 0000000000..78e2685ff2
--- /dev/null
+++ b/js/src/jit-test/tests/ion/osr-with-optimized-out.js
@@ -0,0 +1,23 @@
+// |jit-test| --ion-offthread-compile=off;
+
+// We disable any off-main thread compilation, and set a definite trigger for
+// Ion compilation, such that we can garantee that we would OSR into the inner
+// loop before we reach the end of the loop.
+setJitCompilerOption("ion.warmup.trigger", 30);
+gcPreserveCode();
+
+function f (n) {
+    while (!inIon()) {
+        var inner = 0;
+        let x = {};
+        for (var i = 0; i < n; i++) {
+            inner += inIon() == true ? 1 : 0;
+            if (inner <= 1)
+                bailout();
+        }
+        assertEq(inner != 1, true);
+    }
+}
+
+// Iterate enough to ensure that we OSR in this inner loop.
+f(300);