Do not set target in deoptimized code in keyed store IC.

test/mjsunit/regress/regress-460937.js

Index: test/mjsunit/regress/regress-460937.js
diff --git a/test/mjsunit/regress/regress-449291.js b/test/mjsunit/regress/regress-460937.js
similarity index 67%
copy from test/mjsunit/regress/regress-449291.js
copy to test/mjsunit/regress/regress-460937.js
index fb56027b67f3f176f1432c11b39075aec6cc8429..cd57f93328beb1e2bab4e814afb3445e6843abe0 100644
--- a/test/mjsunit/regress/regress-449291.js
+++ b/test/mjsunit/regress/regress-460937.js
@@ -4,16 +4,16 @@
 
 // Flags: --allow-natives-syntax
 
-a = {y:1.5};
-a.y = 1093445778;
-b = a.y;
-c = {y:{}};
-
 function f() {
-  return {y: b};
+  var a = new Array(100000);
+  var i = 0;
+  while (!%HasFastDoubleElements(a)) {
+    a[i] = i;
+    i += 0.1;
+  }
+  a[1] = 1.5;
 }
 
 f();
-f();
 %OptimizeFunctionOnNextCall(f);
-assertEquals(f().y, 1093445778);
+f();