From e71bd0c89bfe64fefb703c16397ad0e5debc7802 Mon Sep 17 00:00:00 2001
From: Filipe Cabecinhas <me@filcab.net>
Date: Tue, 6 Jan 2015 17:08:26 +0000
Subject: Don't loop endlessly for MachO files with 0 ncmds

llvm-svn: 225271
---
 llvm/lib/Object/MachOObjectFile.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/Object/MachOObjectFile.cpp')

diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 1373dbab410..e4769762be4 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -236,6 +236,9 @@ MachOObjectFile::MachOObjectFile(MemoryBufferRef Object, bool IsLittleEndian,
       DataInCodeLoadCmd(nullptr), DyldInfoLoadCmd(nullptr),
       UuidLoadCmd(nullptr), HasPageZeroSegment(false) {
   uint32_t LoadCommandCount = this->getHeader().ncmds;
+  if (LoadCommandCount == 0)
+    return;
+
   MachO::LoadCommandType SegmentLoadType = is64Bit() ?
     MachO::LC_SEGMENT_64 : MachO::LC_SEGMENT;
 
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