Index: ELF/InputFiles.cpp
===================================================================
--- ELF/InputFiles.cpp
+++ ELF/InputFiles.cpp
@@ -444,6 +444,8 @@
       if (const Comdat *C = GV->getComdat())
         if (!KeptComdats.count(C))
           continue;
+      if (GV->getLinkage() == GlobalValue::PrivateLinkage)
+        continue;
       Visibility = getGvVisibility(GV);
     }
 
Index: test/ELF/lto/Inputs/linkage.ll
===================================================================
--- /dev/null
+++ test/ELF/lto/Inputs/linkage.ll
@@ -0,0 +1,4 @@
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@.str = private unnamed_addr constant [4 x i8] c"Hey\00", align 1
Index: test/ELF/lto/linkage.ll
===================================================================
--- /dev/null
+++ test/ELF/lto/linkage.ll
@@ -0,0 +1,11 @@
+; REQUIRES: x86
+; RUN: llvm-as %s -o %t1.o
+; RUN: llvm-as %p/Inputs/linkage.ll -o %t2.o
+; RUN: ld.lld -m elf_x86_64 %t1.o %t2.o -o %t.so -shared
+
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Should not encounter a duplicate symbol error for @.str
+@.str = private unnamed_addr constant [4 x i8] c"Hey\00", align 1