[turbofan] Add mjsunit tests for try-catch-finally and OSR.

test/mjsunit/compiler/try-osr.js

Index: test/mjsunit/compiler/try-osr.js
diff --git a/test/mjsunit/compiler/try-osr.js b/test/mjsunit/compiler/try-osr.js
new file mode 100644
index 0000000000000000000000000000000000000000..e4eb8dd9fa1621b0314389201f7252fed36423a6
--- /dev/null
+++ b/test/mjsunit/compiler/try-osr.js
@@ -0,0 +1,51 @@
+// 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-osr
+
+function OSRInsideTry(x) {
+  try {
+    for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
+    throw x;
+  } catch (e) {
+    return e + 1;
+  }
+  return x + 2;
+}
+assertEquals(24, OSRInsideTry(23));
+
+
+function OSRInsideCatch(x) {
+  try {
+    throw x;
+  } catch (e) {
+    for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
+    return e + 1;
+  }
+  return x + 2;
+}
+assertEquals(24, OSRInsideCatch(23));
+
+
+function OSRInsideFinally_Return(x) {
+  try {
+    throw x;
+  } finally {
+    for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
+    return x + 1;
+  }
+  return x + 2;
+}
+assertEquals(24, OSRInsideFinally_Return(23));
+
+
+function OSRInsideFinally_ReThrow(x) {
+  try {
+    throw x;
+  } finally {
+    for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
+  }
+  return x + 2;
+}
+assertThrows("OSRInsideFinally_ReThrow(new Error)", Error);