Preserve original execution order in :: operator.

test/core/fixtures/transformation/es7.function-bind/bind/expected.js

@@ -2,5 +2,5 @@
 
 var _context;
 
-var f = ns.obj.func.bind(ctx);
-var g = (_context = ns.obj).func.bind(_context);
+var f = (_context = ctx, ns.obj.func).bind(_context);
+var g = (_context = ns.obj).func.bind(_context);

test/core/fixtures/transformation/es7.function-bind/call/expected.js

@@ -2,7 +2,7 @@
 
 var _context;
 
-ns.obj.func.call(ctx);
+(_context = ctx, ns.obj.func).call(_context);
 (_context = ns.obj).func.call(_context);
 
-ns.obj1.func.call(ns.obj2);
+(_context = ns.obj2, ns.obj1.func).call(_context);

test/core/fixtures/transformation/es7.function-bind/complex-call/exec.js

@@ -0,0 +1,27 @@
+var operations = [];
+
+var lib = {};
+
+for (let key of ['f', 'g', 'h']) {
+  let func = () => operations.push(`lib.${key}()`);
+  Object.defineProperty(lib, key, {
+    get() {
+      operations.push(`get lib.${key}`);
+      return func;
+    }
+  });
+}
+
+({prop:'value'})
+::lib.f()
+::lib.g()
+::lib.h();
+
+assert.deepEqual(operations, [
+  'get lib.f',
+  'lib.f()',
+  'get lib.g',
+  'lib.g()',
+  'get lib.h',
+  'lib.h()'
+]);

test/core/fixtures/transformation/es7.function-bind/complex-call/expected.js

@@ -1,11 +1,13 @@
 "use strict";
 
+var _context;
+
 var _iterlib = require("iterlib");
 
-_iterlib.forEach.call(_iterlib.takeWhile.call(_iterlib.map.call(getPlayers(), function (x) {
+(_context = (_context = (_context = getPlayers(), _iterlib.map).call(_context, function (x) {
   return x.character();
-}), function (x) {
+}), _iterlib.takeWhile).call(_context, function (x) {
   return x.strength > 100;
-}), function (x) {
+}), _iterlib.forEach).call(_context, function (x) {
   return console.log(x);
-});
+});