handle "static" contexts in es7.functionBind - #1518

test/core/fixtures/transformation/es7.function-bind/static-contexts/actual.js

@@ -0,0 +1,5 @@
+var bar = function () {};
+foo::bar;
+
+var foo = {};
+::foo.bar;

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

@@ -0,0 +1,7 @@
+"use strict";
+
+var bar = function bar() {};
+bar.bind(foo);
+
+var foo = {};
+foo.bar.bind(foo);