Fix missing representation for the result of HIsSmiAndBranch.

test/mjsunit/regress/regress-is-smi-repr.js

Index: test/mjsunit/regress/regress-is-smi-repr.js
diff --git a/test/mjsunit/regress/regress-347909.js b/test/mjsunit/regress/regress-is-smi-repr.js
similarity index 58%
copy from test/mjsunit/regress/regress-347909.js
copy to test/mjsunit/regress/regress-is-smi-repr.js
index 90a8e6a759eab76afef1dc968c814bd9d324b147..e9f2b516b57c630e4eddf8dac4da546a19ee08de 100644
--- a/test/mjsunit/regress/regress-347909.js
+++ b/test/mjsunit/regress/regress-is-smi-repr.js
@@ -4,16 +4,15 @@
 
 // Flags: --allow-natives-syntax
 
-var a = {y:1.5};
-a.y = 0;
-var b = a.y;
-a.y = {};
-var d = 1;
-function f() {
-  d = 0;
-  return {y: b};
-}
-f();
-f();
+"use strict";
+
+var global;
+
+function g() { global = this; }
+Object.defineProperty(Number.prototype, "prop", { get: g });
+function f(s) { s.prop; }
+
+f(1);
+f(1);
 %OptimizeFunctionOnNextCall(f);
-f();
+f(1);