From ce906524898ea4c7b99131bd9d79446c996f6022 Mon Sep 17 00:00:00 2001
From: Nick Kledzik <kledzik@apple.com>
Date: Tue, 16 Sep 2014 22:03:13 +0000
Subject: [PATCH] [llvm-objdump] improve error reporting of bad mach-o ordinals

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217909 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/llvm-objdump/MachODump.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/llvm-objdump/MachODump.cpp b/tools/llvm-objdump/MachODump.cpp
index 871e7d16ece..602e8002800 100644
--- a/tools/llvm-objdump/MachODump.cpp
+++ b/tools/llvm-objdump/MachODump.cpp
@@ -2446,9 +2446,15 @@ static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
   case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
     return "flat-namespace";
   default:
-    Obj->getLibraryShortNameByIndex(Ordinal-1, DylibName);
-    return DylibName;
+    if (Ordinal > 0) {
+      std::error_code EC = Obj->getLibraryShortNameByIndex(Ordinal-1, 
+                                                           DylibName);
+      if (EC)
+        return "<<ordinal too big>>";
+      return DylibName;
+    }
   }
+  return "<<unknown special ordinal>>";
 }
 
 //===----------------------------------------------------------------------===//
-- 
2.34.1