ensure dynamic imports are hoisted

src/babel/transformation/transformers/internal/module-formatter.js

@@ -7,6 +7,11 @@ export var metadata = {
 export var Program = {
   exit(program, parent, scope, file) {
     strict.wrap(program, function () {
+      // ensure that these are at the top, just like normal imports
+      for (var node of (file.dynamicImports: Array)) {
+        node._blockHoist = 3;
+      }
+
       program.body = file.dynamicImports.concat(program.body);
     });
 

test/core/fixtures/transformation/runtime/full/expected.js

@@ -1,11 +1,5 @@
 "use strict";
 
-_Object$defineProperty(exports, "__esModule", {
-  value: true
-});
-
-exports.giveWord = giveWord;
-
 var _regeneratorRuntime = require("babel-runtime/regenerator")["default"];
 
 var _Object$defineProperty = require("babel-runtime/core-js/object/define-property")["default"];
@@ -16,6 +10,11 @@ var _interopRequireDefault = require("babel-runtime/helpers/interop-require-defa
 
 var _interopRequireWildcard = require("babel-runtime/helpers/interop-require-wildcard")["default"];
 
+_Object$defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.giveWord = giveWord;
 var marked0$0 = [giveWord].map(_regeneratorRuntime.mark);
 
 var _someModule = require("someModule");