From 01b4fcca47eacfe852801a9b892e194e80806da8 Mon Sep 17 00:00:00 2001
From: Joe Haddad <timer150@gmail.com>
Date: Fri, 28 Aug 2020 01:26:15 -0400
Subject: [PATCH] Throw invariant error

---
 .../src/index.js                                           | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/babel-helper-builder-react-jsx-experimental/src/index.js b/packages/babel-helper-builder-react-jsx-experimental/src/index.js
index 8d804c4c15e3..a6b03184180c 100644
--- a/packages/babel-helper-builder-react-jsx-experimental/src/index.js
+++ b/packages/babel-helper-builder-react-jsx-experimental/src/index.js
@@ -439,6 +439,13 @@ You can set \`throwIfNamespace: false\` to bypass this warning.`,
   }
 
   function makeSource(path, state) {
+    const location = path.node.loc;
+    if (!location) {
+      throw path.buildCodeFrameError(
+        "invariant: `makeSource` cannot return source information for generated paths. This is likely a bug with `@babel/helper-builder-react-jsx-experimental`.",
+      );
+    }
+
     if (!state.fileNameIdentifier) {
       const { filename = "" } = state;