From bded3cec2e69ed30f9341a693a2b3dd67eaa8ccc Mon Sep 17 00:00:00 2001
From: Carl Bergman <30546+carlbergman@users.noreply.github.com>
Date: Thu, 5 Mar 2026 15:52:29 +0100
Subject: [PATCH] [compiler] Add fixture for custom hook with use() not
 compiled

Custom hooks whose only invocation is the `use()` function are
skipped by the compiler. This fixture demonstrates the
current (broken) output where `useMyContext` is not compiled.

Ref #35960
---
 .../compiler/use-operator-in-hook.expect.md   | 43 +++++++++++++++++++
 .../fixtures/compiler/use-operator-in-hook.js | 14 ++++++
 2 files changed, 57 insertions(+)
 create mode 100644 compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.expect.md
 create mode 100644 compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.js

diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.expect.md b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.expect.md
new file mode 100644
index 000000000000..cdd5651cfade
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.expect.md
@@ -0,0 +1,43 @@
+
+## Input
+
+```javascript
+// @compilationMode:"infer" @expectNothingCompiled
+import {use} from 'react';
+
+const MyContext = React.createContext(null);
+
+function useMyContext() {
+  const context = use(MyContext);
+  return [context];
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: useMyContext,
+  params: [],
+};
+
+```
+
+## Code
+
+```javascript
+// @compilationMode:"infer" @expectNothingCompiled
+import { use } from "react";
+
+const MyContext = React.createContext(null);
+
+function useMyContext() {
+  const context = use(MyContext);
+  return [context];
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: useMyContext,
+  params: [],
+};
+
+```
+      
+### Eval output
+(kind: ok) [null]
\ No newline at end of file
diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.js b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.js
new file mode 100644
index 000000000000..2874390928bd
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/use-operator-in-hook.js
@@ -0,0 +1,14 @@
+// @compilationMode:"infer" @expectNothingCompiled
+import {use} from 'react';
+
+const MyContext = React.createContext(null);
+
+function useMyContext() {
+  const context = use(MyContext);
+  return [context];
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: useMyContext,
+  params: [],
+};