diff --git a/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.js b/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.js
new file mode 100644
index 0000000000000..e96b93bae8506
--- /dev/null
+++ b/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.js
@@ -0,0 +1,5 @@
+//// [castFunctionExpressionShouldBeParenthesized.ts]
+(function a() { } as any)().foo()
+
+//// [castFunctionExpressionShouldBeParenthesized.js]
+(function a() { }().foo());
diff --git a/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.symbols b/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.symbols
new file mode 100644
index 0000000000000..975a9480c3ccd
--- /dev/null
+++ b/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.symbols
@@ -0,0 +1,4 @@
+=== tests/cases/compiler/castFunctionExpressionShouldBeParenthesized.ts ===
+(function a() { } as any)().foo()
+>a : Symbol(a, Decl(castFunctionExpressionShouldBeParenthesized.ts, 0, 1))
+
diff --git a/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.types b/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.types
new file mode 100644
index 0000000000000..337c5163ff26d
--- /dev/null
+++ b/tests/baselines/reference/castFunctionExpressionShouldBeParenthesized.types
@@ -0,0 +1,11 @@
+=== tests/cases/compiler/castFunctionExpressionShouldBeParenthesized.ts ===
+(function a() { } as any)().foo()
+>(function a() { } as any)().foo() : any
+>(function a() { } as any)().foo : any
+>(function a() { } as any)() : any
+>(function a() { } as any) : any
+>function a() { } as any : any
+>function a() { } : () => void
+>a : () => void
+>foo : any
+
diff --git a/tests/cases/compiler/castFunctionExpressionShouldBeParenthesized.ts b/tests/cases/compiler/castFunctionExpressionShouldBeParenthesized.ts
new file mode 100644
index 0000000000000..3fb1aaf7079de
--- /dev/null
+++ b/tests/cases/compiler/castFunctionExpressionShouldBeParenthesized.ts
@@ -0,0 +1 @@
+(function a() { } as any)().foo()
\ No newline at end of file