Replace AddProperty by AddNamedProperty to speed up the common case

test/mjsunit/regress/regress-1199637.js

Index: test/mjsunit/regress/regress-1199637.js
diff --git a/test/mjsunit/regress/regress-1199637.js b/test/mjsunit/regress/regress-1199637.js
index 3db48555fe75ae6d3b8b4f5a07891993a738ceaf..397aeb876251d73738b307082d99a058d71e59cc 100644
--- a/test/mjsunit/regress/regress-1199637.js
+++ b/test/mjsunit/regress/regress-1199637.js
@@ -34,43 +34,43 @@ const NONE = 0;
 const READ_ONLY = 1;
 
 // Use DeclareGlobal...
-%AddProperty(this.__proto__, "a", 1234, NONE);
+%AddNamedProperty(this.__proto__, "a", 1234, NONE);
 assertEquals(1234, a);
 eval("var a = 5678;");
 assertEquals(5678, a);
 
-%AddProperty(this.__proto__, "b", 1234, NONE);
+%AddNamedProperty(this.__proto__, "b", 1234, NONE);
 assertEquals(1234, b);
 eval("const b = 5678;");
 assertEquals(5678, b);
 
-%AddProperty(this.__proto__, "c", 1234, READ_ONLY);
+%AddNamedProperty(this.__proto__, "c", 1234, READ_ONLY);
 assertEquals(1234, c);
 eval("var c = 5678;");
 assertEquals(5678, c);
 
-%AddProperty(this.__proto__, "d", 1234, READ_ONLY);
+%AddNamedProperty(this.__proto__, "d", 1234, READ_ONLY);
 assertEquals(1234, d);
 eval("const d = 5678;");
 assertEquals(5678, d);
 
 // Use DeclareContextSlot...
-%AddProperty(this.__proto__, "x", 1234, NONE);
+%AddNamedProperty(this.__proto__, "x", 1234, NONE);
 assertEquals(1234, x);
 eval("with({}) { var x = 5678; }");
 assertEquals(5678, x);
 
-%AddProperty(this.__proto__, "y", 1234, NONE);
+%AddNamedProperty(this.__proto__, "y", 1234, NONE);
 assertEquals(1234, y);
 eval("with({}) { const y = 5678; }");
 assertEquals(5678, y);
 
-%AddProperty(this.__proto__, "z", 1234, READ_ONLY);
+%AddNamedProperty(this.__proto__, "z", 1234, READ_ONLY);
 assertEquals(1234, z);
 eval("with({}) { var z = 5678; }");
 assertEquals(5678, z);
 
-%AddProperty(this.__proto__, "w", 1234, READ_ONLY);
+%AddNamedProperty(this.__proto__, "w", 1234, READ_ONLY);
 assertEquals(1234, w);
 eval("with({}) { const w = 5678; }");
 assertEquals(5678, w);