From 7fcb6b65c97f6e2e96643967fca735df528dab8e Mon Sep 17 00:00:00 2001
From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Tue, 11 Mar 2008 00:24:53 +0000
Subject: [PATCH] Fix thinko: alias always defines new symbol. Even is aliasee
 itself is undefined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48203 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Archive/Archive.cpp     | 6 ++----
 lib/Linker/LinkArchives.cpp | 9 ++-------
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/lib/Archive/Archive.cpp b/lib/Archive/Archive.cpp
index 7df5e48f9fa..6c95dbe372e 100644
--- a/lib/Archive/Archive.cpp
+++ b/lib/Archive/Archive.cpp
@@ -207,10 +207,8 @@ static void getSymbols(Module*M, std::vector<std::string>& symbols) {
   // Loop over aliases
   for (Module::alias_iterator AI = M->alias_begin(), AE = M->alias_end();
        AI != AE; ++AI) {
-    const GlobalValue *Aliased = AI->getAliasedGlobal();
-    if (!Aliased->isDeclaration())
-      if (AI->hasName())
-        symbols.push_back(AI->getName());
+    if (AI->hasName())
+      symbols.push_back(AI->getName());
   }
 }
 
diff --git a/lib/Linker/LinkArchives.cpp b/lib/Linker/LinkArchives.cpp
index 308a775acd2..6cab77c6010 100644
--- a/lib/Linker/LinkArchives.cpp
+++ b/lib/Linker/LinkArchives.cpp
@@ -71,13 +71,8 @@ GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
 
   for (Module::alias_iterator I = M->alias_begin(), E = M->alias_end();
        I != E; ++I)
-    if (I->hasName()) {
-      const GlobalValue *Aliased = I->getAliasedGlobal();
-      if (Aliased->isDeclaration())
-        UndefinedSymbols.insert(I->getName());
-      else
-        DefinedSymbols.insert(I->getName());
-    }
+    if (I->hasName())
+      DefinedSymbols.insert(I->getName());
 
   // Prune out any defined symbols from the undefined symbols set...
   for (std::set<std::string>::iterator I = UndefinedSymbols.begin();