diff --git a/js/src/tests/js1_8_1/trace/jstests.list b/js/src/tests/js1_8_1/trace/jstests.list
index 698192b3d603..fdcf11841134 100644
--- a/js/src/tests/js1_8_1/trace/jstests.list
+++ b/js/src/tests/js1_8_1/trace/jstests.list
@@ -20,4 +20,4 @@ script regress-462459-12.js
 script regress-469927.js
 script regress-470739.js
 script regress-471635.js
-fails-if(!xulRuntime.shell) script trace-test.js # uncaught exception: [Exception... "Operation is not supported"  code: "9" nsresult: "0x80530009 (NS_ERROR_DOM_NOT_SUPPORTED_ERR)
+script trace-test.js
diff --git a/js/src/tests/js1_8_1/trace/trace-test.js b/js/src/tests/js1_8_1/trace/trace-test.js
index b42bedcbe6e3..917f21bb5370 100644
--- a/js/src/tests/js1_8_1/trace/trace-test.js
+++ b/js/src/tests/js1_8_1/trace/trace-test.js
@@ -4275,18 +4275,28 @@ function testInterpreterReentry2() {
     var b = {};
     var c = false;
     var d = {};
-    this.__defineGetter__('e', function(){});
-    for (let f in this) print(f);
-    [1 for each (g in this) for each (h in [])]
+    try {
+        this.__defineGetter__('e', function(){});
+        for (let f in this) print(f);
+        [1 for each (g in this) for each (h in [])]
+    }
+    catch(ex) {
+        print('testInterpreterReentry2: ' + ex);
+    }
     return 1;
 }
 testInterpreterReentry2.expected = 1;
 test(testInterpreterReentry2);
 
 function testInterpreterReentry3() {
-    for (let i=0;i<5;++i) this["y" + i] = function(){};
-    this.__defineGetter__('e', function (x2) { yield; });
-    [1 for each (a in this) for (b in {})];
+    try {
+        for (let i=0;i<5;++i) this["y" + i] = function(){};
+        this.__defineGetter__('e', function (x2) { yield; });
+        [1 for each (a in this) for (b in {})];
+    }
+    catch(ex) {
+        print('testInterpreterReentry3: ' + ex);
+    }
     return 1;
 }
 testInterpreterReentry3.expected = 1;