From b4dbf2b47787c5ee0c63ce3333f4f100c2b7f4df Mon Sep 17 00:00:00 2001
From: Indragie Karunaratne <indragie@fb.com>
Date: Sun, 27 Nov 2016 11:38:35 -0800
Subject: [PATCH] Read bytecode format version from custom JSC executor only if
 custom JSC is enabled

Reviewed By: javache

Differential Revision: D4230129

fbshipit-source-id: d28e475d3a55320285a45f54b7ea495229be364d
---
 React/Executors/RCTJSCExecutor.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/React/Executors/RCTJSCExecutor.mm b/React/Executors/RCTJSCExecutor.mm
index f45067eb3..3bad2ee2d 100644
--- a/React/Executors/RCTJSCExecutor.mm
+++ b/React/Executors/RCTJSCExecutor.mm
@@ -543,7 +543,7 @@ static void installBasicSynchronousHooksOnContext(JSContext *context)
 
 - (int32_t)bytecodeFileFormatVersion
 {
-  return _tryBytecode
+  return (_useCustomJSCLibrary && _tryBytecode)
     ? facebook::react::customJSCWrapper()->JSBytecodeFileFormatVersion
     : JSNoBytecodeFileFormatVersion;
 }