[[FIX]] report line numbers of destructured params

The extract to scope manager change introduced a regression where by
destructured params did not get the right line and char due to the token
not being passed to the scope manager.
Fixes #2494

src/jshint.js

@@ -2762,7 +2762,7 @@ var JSHINT = (function() {
           t = tokens[t];
           if (t.id) {
             paramsIds.push(t.id);
-            currentParams.push([t.id, t]);
+            currentParams.push([t.id, t.token]);
           }
         }
       } else {

tests/unit/options.js

@@ -727,7 +727,7 @@ exports.undef = function (test) {
   test.ok(!JSHINT.data().implieds);
 
   JSHINT("if (typeof foobar) {}", { undef: true });
-  console.log(JSHINT.data().implieds);
+
   test.strictEqual(JSHINT.data().implieds, undefined);
 
   test.done();
@@ -880,6 +880,37 @@ exports['let can re-use function and class name'] = function (test) {
   test.done();
 };
 
+exports['unused with param destructuring'] = function(test) {
+  var code = [
+    "let b = ([...args], a) => a;",
+    "b = args => true;",
+    "b = function([...args], a) { return a; };",
+    "b = function([args], a) { return a; };",
+    "b = function({ args }, a) { return a; };",
+    "b = function({ a: args }, a) { return a; };",
+    "b = function({ a: [args] }, a) { return a; };",
+    "b = function({ a: [args] }, a) { return a; };"
+  ];
+
+  TestRun(test)
+    .addError(2, "'args' is defined but never used.")
+    .test(code, { esnext: true, unused: true });
+
+  TestRun(test)
+    .addError(1, "'args' is defined but never used.")
+    .addError(2, "'args' is defined but never used.")
+    .addError(3, "'args' is defined but never used.")
+    .addError(4, "'args' is defined but never used.")
+    .addError(5, "'args' is defined but never used.")
+    .addError(6, "'args' is defined but never used.")
+    .addError(7, "'args' is defined but never used.")
+    .addError(8, "'args' is defined but never used.")
+    .test(code, { esnext: true, unused: "strict" });
+
+
+  test.done();
+};
+
 exports['unused data with options'] = function (test) {
 
   // see gh-1894 for discussion on this test

tests/unit/parser.js

@@ -1803,9 +1803,9 @@ exports["non-identifier PropertyNames in object destructuring"] = function (test
     .addError(2, "'d' is defined but never used.")
     .addError(2, "'e' is defined but never used.")
     .addError(3, "'fn' is defined but never used.")
-    .addError(0, "'f' is defined but never used.")
-    .addError(0, "'g' is defined but never used.")
-    .addError(0, "'h' is defined but never used.")
+    .addError(3, "'f' is defined but never used.")
+    .addError(3, "'g' is defined but never used.")
+    .addError(3, "'h' is defined but never used.")
     .test(code, { esnext: true, unused: true });
 
   test.done();