Disallow duplicated AST nodes (#11807)

2020-07-14 09:32:16 -04:00
parent ffb42488ba
commit 5dd64ecc4a
24 changed files with 85 additions and 62 deletions
--- a/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
+++ b/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
@@ -61,7 +61,7 @@ export default function (path, { getAsyncIterator }) {
    ITERATOR_KEY: scope.generateUidIdentifier("iterator"),
    GET_ITERATOR: getAsyncIterator,
    OBJECT: node.right,
-    STEP_VALUE: stepValue,
+    STEP_VALUE: t.cloneNode(stepValue),
    STEP_KEY: stepKey,
  });