From 9d4f9b78b10dd0debf8af2ff5eb8faa4cdeaf7d2 Mon Sep 17 00:00:00 2001
From: Mofei Zhang <feifei0@meta.com>
Date: Tue, 25 Jun 2024 16:06:21 -0400
Subject: [PATCH] [compiler][ez] PrintHIR prints optional flag for debugging

Adding the equivalent of [PrintReactiveFunction:OptionalExpression](https://github.com/facebook/react/blob/f5d2feb4f069a36140d5e605f5eebc52badcc214/compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/PrintReactiveFunction.ts#L218) to `PrintHIR`.

ghstack-source-id: 5b175f6f62f72a867a00c52c4f825fd396d450a9
Pull Request resolved: https://github.com/facebook/react/pull/30078
---
 .../packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts b/compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts
index 443a2522ee18b..df7d2698f4b29 100644
--- a/compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts
+++ b/compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts
@@ -194,7 +194,7 @@ export function printTerminal(terminal: Terminal): Array<string> | string {
       break;
     }
     case "optional": {
-      value = `[${terminal.id}] Optional test:bb${terminal.test} fallthrough=bb${terminal.fallthrough}`;
+      value = `[${terminal.id}] Optional (optional=${terminal.optional}) test:bb${terminal.test} fallthrough=bb${terminal.fallthrough}`;
       break;
     }
     case "throw": {