diff --git a/compiler/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.repro-uninitialized-value-kind-with-function-expression-params.expect.md b/compiler/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.repro-uninitialized-value-kind-with-function-expression-params.expect.md
new file mode 100644
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--- /dev/null
+++ b/compiler/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.repro-uninitialized-value-kind-with-function-expression-params.expect.md
@@ -0,0 +1,24 @@
+
+## Input
+
+```javascript
+function Component(props) {
+  // This `x` uses a context variable:
+  const items = props.items.filter((x) => x != null);
+  // and so does this one:
+  const x = items.map((y) => y);
+  // I think what's happening is that `x` is both a) used in a function expression and b) "reassigned",
+  // meeting the criteria for context variables. Except that these are different instances of x.
+  return x;
+}
+
+```
+
+
+## Error
+
+```
+[ReactForget] Invariant: Expected value kind to be initialized at '8:9:8:10' (8:8)
+```
+          
+      
\ No newline at end of file
diff --git a/compiler/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.repro-uninitialized-value-kind-with-function-expression-params.js b/compiler/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.repro-uninitialized-value-kind-with-function-expression-params.js
new file mode 100644
index 0000000000..e9c241b22a
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.repro-uninitialized-value-kind-with-function-expression-params.js
@@ -0,0 +1,9 @@
+function Component(props) {
+  // This `x` uses a context variable:
+  const items = props.items.filter((x) => x != null);
+  // and so does this one:
+  const x = items.map((y) => y);
+  // I think what's happening is that `x` is both a) used in a function expression and b) "reassigned",
+  // meeting the criteria for context variables. Except that these are different instances of x.
+  return x;
+}