Fix JSRuntime.typeof of BigInteger and Long.

Author: woess

graal-js/src/com.oracle.truffle.js.test/src/com/oracle/truffle/js/test/runtime/JSRuntimeTest.java

@@ -254,7 +254,9 @@ private static Object[] createValues(JSRealm realm) {
                         JSBigInt.create(ctx, realm, BigInt.ZERO),
                         new ForeignNull(),
                         new ForeignTestMap(),
-                        env.asGuestValue(new Object[]{3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5, 9})};
+                        env.asGuestValue(new Object[]{3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5, 9}),
+                        env.asGuestValue(BigInteger.valueOf(Long.MAX_VALUE).shiftLeft(1)),
+                        Long.MAX_VALUE};
     }
 
     @Test

graal-js/src/com.oracle.truffle.js/src/com/oracle/truffle/js/runtime/JSRuntime.java

@@ -220,7 +220,7 @@ public static TruffleString typeof(Object value) {
             return Undefined.TYPE_NAME;
         } else if (Strings.isTString(value)) {
             return JSString.TYPE_NAME;
-        } else if (isNumber(value)) {
+        } else if (isNumber(value) || value instanceof Long) {
             return JSNumber.TYPE_NAME;
         } else if (isBigInt(value)) {
             return JSBigInt.TYPE_NAME;