From c1ae4780ceb25fbb350e7f802fa150f4ee30ed74 Mon Sep 17 00:00:00 2001
From: Pieter De Baets <pieterdb@fb.com>
Date: Fri, 6 Nov 2015 06:35:26 -0800
Subject: [PATCH] Fix crash in RCTLog

Reviewed By: tadeuzagallo

Differential Revision: D2625795

fb-gh-sync-id: 6983a2dc9259fa1777c05011c2752e9520aa26cd
---
 React/Base/RCTLog.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/React/Base/RCTLog.m b/React/Base/RCTLog.m
index d6bf84590..b9360f449 100644
--- a/React/Base/RCTLog.m
+++ b/React/Base/RCTLog.m
@@ -225,7 +225,7 @@ void _RCTLogInternal(
           NSString *address = [[frameSymbols componentsSeparatedByString:@"0x"][1] componentsSeparatedByString:@" "][0];
           NSRange addressRange = [frameSymbols rangeOfString:address];
           NSString *methodName = [frameSymbols substringFromIndex:(addressRange.location + addressRange.length + 1)];
-          if (idx == 1) {
+          if (idx == 1 && fileName) {
             NSString *file = [@(fileName) componentsSeparatedByString:@"/"].lastObject;
             [stack addObject:@{@"methodName": methodName, @"file": file, @"lineNumber": @(lineNumber)}];
           } else {