Cleanup INTEGER_INDEXED_EXOTIC handling a bit

test/mjsunit/es6/indexed-integer-exotics.js

Index: test/mjsunit/es6/indexed-integer-exotics.js
diff --git a/test/mjsunit/es6/indexed-integer-exotics.js b/test/mjsunit/es6/indexed-integer-exotics.js
index ebc18ef5e27d3ef5b42e5a79bbc72bfa94d2ddf4..85ae3692d8df2c849b663d71a98ab23ba6e209b1 100644
--- a/test/mjsunit/es6/indexed-integer-exotics.js
+++ b/test/mjsunit/es6/indexed-integer-exotics.js
@@ -55,9 +55,10 @@ for (var i = 0; i < 3; i++) {
 %OptimizeFunctionOnNextCall(f);
 assertEquals(undefined, f());
 
-Object.defineProperty(new Int32Array(), "-1", {'value': 1});
-Object.defineProperty(new Int32Array(), "-0", {'value': 1});
-Object.defineProperty(new Int32Array(), "-10", {'value': 1});
-Object.defineProperty(new Int32Array(), "4294967295", {'value': 1});
+assertThrows('Object.defineProperty(new Int32Array(100), -1, {value: 1})');
+// -0 gets converted to the string "0", so use "-0" instead.
+assertThrows('Object.defineProperty(new Int32Array(100), "-0", {value: 1})');
+assertThrows('Object.defineProperty(new Int32Array(100), -10, {value: 1})');
+assertThrows('Object.defineProperty(new Int32Array(), 4294967295, {value: 1})');
 
 check();