[asm.js] [wasm] Store function start position for stack check

test/mjsunit/regress/regress-677685.js

Index: test/mjsunit/regress/regress-677685.js
diff --git a/test/mjsunit/regress/regress-677685.js b/test/mjsunit/regress/regress-677685.js
new file mode 100644
index 0000000000000000000000000000000000000000..c4ef869b92d65564bdc913f1178b9a8e44961dcd
--- /dev/null
+++ b/test/mjsunit/regress/regress-677685.js
@@ -0,0 +1,32 @@
+// Copyright 2017 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-staging --stack-size=100
+
+function Module(stdlib) {
+  "use asm";
+
+  var fround = stdlib.Math.fround;
+
+  // f: double -> float
+  function f(a) {
+    a = +a;
+    return fround(a);
+  }
+
+  return { f: f };
+}
+
+var f = Module({ Math: Math }).f;
+
+function runNearStackLimit()  {
+  function g() { try { g(); } catch(e) { f(); } };
+  g();
+}
+
+(function () {
+  function g() {}
+
+  runNearStackLimit(g);
+})();