[interpreter] Avoid tier-up when there is an OSR activation.

test/mjsunit/regress/regress-5262.js

Index: test/mjsunit/regress/regress-5262.js
diff --git a/test/mjsunit/regress/regress-5262.js b/test/mjsunit/regress/regress-5262.js
new file mode 100644
index 0000000000000000000000000000000000000000..394bb49ca5053ee8a228205ad246e361ebfc800f
--- /dev/null
+++ b/test/mjsunit/regress/regress-5262.js
@@ -0,0 +1,25 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --ignition --ignition-osr --turbo-from-bytecode --allow-natives-syntax
+
+function g() { return 23 }
+function h() { return 42 }
+function boom(o) { o.g = h }
+function f(osr_and_recurse) {
+  if (osr_and_recurse) {
+    for (var i = 0; i < 3; ++i) {
+      if (i == 1) %OptimizeOsr();
+    }
+    %OptimizeFunctionOnNextCall(f);
+    f(false);     // Trigger tier-up due to recursive call.
+    boom(this);   // Causes a deopt due to below dependency.
+    var x = g();  // Install dependency on the {g} function.
+    return x;
+  }
+  return 65;
+}
+assertEquals(65, f(false));
+assertEquals(65, f(false));
+assertEquals(42, f(true));