Change calls to undefined property setters to not throw (fixes issue 1355).

test/mjsunit/getter-in-prototype.js

Index: test/mjsunit/getter-in-prototype.js
===================================================================
--- test/mjsunit/getter-in-prototype.js	(revision 8026)
+++ test/mjsunit/getter-in-prototype.js	(working copy)
@@ -25,8 +25,9 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Test that exceptions are thrown when setting properties on object
-// that have only a getter in a prototype object.
+// Test that exceptions are not thrown when setting properties on object
+// that have only a getter in a prototype object, except when we are in strict
+// mode where exceptsions should be thrown.
 
 var o = {};
 var p = {};
@@ -34,25 +35,44 @@
 p.__defineGetter__(0, function(){});
 o.__proto__ = p;
 
-assertThrows("o.x = 42");
-assertThrows("o[0] = 42");
+assertDoesNotThrow("o.x = 42");
+assertDoesNotThrow("o[0] = 42");
 
+assertThrows(function() { 'use strict'; o.x = 42; });
+assertThrows(function() { 'use strict'; o[0] = 42; });
+
 function f() {
   with(o) {
     x = 42;
   }
 }
-assertThrows("f()");
 
+assertDoesNotThrow(f);
+
 __proto__ = p;
 function g() {
   eval('1');
   x = 42;
 }
-assertThrows("g()");
 
+function g_strict() {
+  'use strict';
+  eval('1');
+  x = 42;
+}
+
+assertDoesNotThrow(g);
+assertThrows(g_strict);
+
 __proto__ = p;
 function g2() {
   this[0] = 42;
 }
-assertThrows("g2()");
+
+function g2_strict() {
+  'use strict';
+  this[0] = 42;
+}
+
+assertDoesNotThrow(g2);
+assertThrows(g2_strict);