From da1eeb70d352532eee05385cd78645318ac9d5bf Mon Sep 17 00:00:00 2001
From: Ed Maste <emaste@FreeBSD.org>
Date: Tue, 23 Jan 2018 17:54:39 +0000
Subject: [PATCH] lld: Don't mark a shared library as needed because of a lazy
 symbol.
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Obtained from:	LLVM r323221 by Rafael Espíndola
---
 contrib/llvm/tools/lld/ELF/SymbolTable.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/contrib/llvm/tools/lld/ELF/SymbolTable.cpp b/contrib/llvm/tools/lld/ELF/SymbolTable.cpp
index b6bf2199886..c3a00bea4aa 100644
--- a/contrib/llvm/tools/lld/ELF/SymbolTable.cpp
+++ b/contrib/llvm/tools/lld/ELF/SymbolTable.cpp
@@ -491,12 +491,13 @@ void SymbolTable::addShared(StringRef Name, SharedFile<ELFT> &File,
   if (WasInserted || ((S->isUndefined() || S->isLazy()) &&
                       S->getVisibility() == STV_DEFAULT)) {
     uint8_t Binding = S->Binding;
+    bool WasUndefined = S->isUndefined();
     replaceSymbol<SharedSymbol>(S, File, Name, Sym.getBinding(), Sym.st_other,
                                 Sym.getType(), Sym.st_value, Sym.st_size,
                                 Alignment, VerdefIndex);
     if (!WasInserted) {
       S->Binding = Binding;
-      if (!S->isWeak() && !Config->GcSections)
+      if (!S->isWeak() && !Config->GcSections && WasUndefined)
         File.IsNeeded = true;
     }
   }