[turbofan] Fix JSInliner to handle non-returning bodies.

test/mjsunit/regress/regress-crbug-530598.js

Index: test/mjsunit/regress/regress-crbug-530598.js
diff --git a/test/mjsunit/regress/regress-crbug-530598.js b/test/mjsunit/regress/regress-crbug-530598.js
new file mode 100644
index 0000000000000000000000000000000000000000..f38552377f381a4bc174671b8ded26516817c42d
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-530598.js
@@ -0,0 +1,25 @@
+// Copyright 2015 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: --allow-natives-syntax --turbo-inlining
+
+var f1 = (function() {
+  "use asm";
+  function g() { throw 0; }
+  function f() { return g(); }
+  return f;
+})();
+assertThrows("f1()");
+%OptimizeFunctionOnNextCall(f1);
+assertThrows("f1()");
+
+var f2 = (function() {
+  "use asm";
+  function g() { for (;;); }
+  function f(a) { return a || g(); }
+  return f;
+})();
+assertTrue(f2(true));
+%OptimizeFunctionOnNextCall(f2);
+assertTrue(f2(true));