Split SetProperty(...attributes, strictmode) into AddProperty(...attributes) and SetProperty(...…

test/mjsunit/regress/regress-cntl-descriptors-enum.js

Index: test/mjsunit/regress/regress-cntl-descriptors-enum.js
diff --git a/test/mjsunit/regress/regress-cntl-descriptors-enum.js b/test/mjsunit/regress/regress-cntl-descriptors-enum.js
index ee72fafc8a7c67f2b1ab6cc22a734ef8033a5697..bcf5492e31c28df8ad74257602188a2ec3fcac62 100644
--- a/test/mjsunit/regress/regress-cntl-descriptors-enum.js
+++ b/test/mjsunit/regress/regress-cntl-descriptors-enum.js
@@ -30,10 +30,10 @@
 DontEnum = 2;
 
 var o = {};
-%SetProperty(o, "a", 0, DontEnum);
+%DefineProperty(o, "a", 0, DontEnum);
 
 var o2 = {};
-%SetProperty(o2, "a", 0, DontEnum);
+%DefineProperty(o2, "a", 0, DontEnum);
 
 assertTrue(%HaveSameMap(o, o2));