--- a/js/src/trace-test/tests/basic/testReconstructImacroPCStack.js
+++ b/js/src/trace-test/tests/basic/testReconstructImacroPCStack.js
@@ -1,23 +1,28 @@
-var actual = "";
-var expect = "TypeError: x is not a function";
-
 x = Proxy.create((function () {
     return {
         get: function () {}
     }
 }()), Object.e)
 
+var hit = false;
+
 try {
     Function("\
       for(var a = 0; a < 2; ++a) {\
         if (a == 0) {}\
         else {\
           x > x\
         }\
       }\
     ")()
 } catch (e) {
-    actual = "" + e;
+    hit = true;
+
+    var str = String(e);
+    var match = (str == "TypeError: x is not a function" ||
+                 str == "TypeError: can't convert x to number");
+
+    assertEq(match, true);
 }
 
-assertEq(actual, expect);
+assertEq(hit, true);