Fix environment of the optimized version of the _SetValueOf intrinsic.

test/mjsunit/regress/setvalueof-deopt.js

Index: test/mjsunit/regress/setvalueof-deopt.js
diff --git a/test/mjsunit/recursive-store-opt.js b/test/mjsunit/regress/setvalueof-deopt.js
similarity index 91%
copy from test/mjsunit/recursive-store-opt.js
copy to test/mjsunit/regress/setvalueof-deopt.js
index fb2649248dbabc642f864f671d0ce2273ad44bd7..8c42c8a20baa0845d8450d699e62cd98d7d39c08 100644
--- a/test/mjsunit/recursive-store-opt.js
+++ b/test/mjsunit/regress/setvalueof-deopt.js
@@ -27,15 +27,16 @@
 
 // Flags: --allow-natives-syntax
 
-function g() {
-  this.x = this;
+function g(x, y) {
+  return y;
 }
 
-function f() {
-  return new g();
+function f(deopt) {
+  return g(%_SetValueOf(1, 1), deopt + 0);
 }
 
-f();
-f();
+f(0);
+f(0);
+f(0);
 %OptimizeFunctionOnNextCall(f);
-f();
+assertEquals("result0", f("result"));