1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/recompile/undef.js b/js/src/jit-test/tests/jaeger/recompile/undef.js
new file mode 100644
index 000000000..a738c802c
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/recompile/undef.js
@@ -0,0 +1,61 @@
+
+/* Handle recompilation on undefined variables. */
+
+function local()
+{
+  var x;
+  x++;
+  assertEq(x, NaN);
+  x = 0;
+}
+local();
+
+function name(v)
+{
+  var x;
+  with (v) {
+    x++;
+    assertEq(x, NaN);
+  }
+  assertEq(x, NaN);
+  x = 0;
+}
+name({});
+
+function letname(v)
+{
+  if (v) {
+    let x;
+    with (v) {
+      x = "twelve";
+    }
+    assertEq(x, "twelve");
+  }
+}
+letname({});
+
+function upvar()
+{
+  var x;
+  function inner() {
+    x++;
+    assertEq(x, NaN);
+  }
+  inner();
+}
+upvar();
+
+var x;
+var y;
+
+function global()
+{
+  x++;
+  assertEq(x, NaN);
+  var z = 2 + y;
+  assertEq(z, NaN);
+}
+global();
+
+x = 0;
+y = 0;