From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 8 Oct 2015 18:06:20 +0000 (+0000)
Subject: Handle Archive::getNumberOfSymbols being called in an archive with no symbols.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8a8ae262f10cc5837cd2b14585c9eec16d9c697b;p=oota-llvm.git

Handle Archive::getNumberOfSymbols being called in an archive with no symbols.

No change in llvm, but will be tested from lld.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249709 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Object/Archive.cpp b/lib/Object/Archive.cpp
index 941f72bb6a6..42fec39851d 100644
--- a/lib/Object/Archive.cpp
+++ b/lib/Object/Archive.cpp
@@ -510,12 +510,12 @@ Archive::symbol_iterator Archive::symbol_begin() const {
 }
 
 Archive::symbol_iterator Archive::symbol_end() const {
-  if (!hasSymbolTable())
-    return symbol_iterator(Symbol(this, 0, 0));
   return symbol_iterator(Symbol(this, getNumberOfSymbols(), 0));
 }
 
 uint32_t Archive::getNumberOfSymbols() const {
+  if (!hasSymbolTable())
+    return 0;
   const char *buf = getSymbolTable().begin();
   if (kind() == K_GNU)
     return read32be(buf);