Index: lib/Object/RecordStreamer.cpp
===================================================================
--- lib/Object/RecordStreamer.cpp
+++ lib/Object/RecordStreamer.cpp
@@ -84,7 +84,7 @@

 bool RecordStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
                                          MCSymbolAttr Attribute) {
-  if (Attribute == MCSA_Global)
+  if (Attribute == MCSA_Global || Attribute == MCSA_Weak)
     markGlobal(*Symbol);
   return true;
 }
Index: test/Object/X86/nm-bitcodeweak.test
===================================================================
--- /dev/null
+++ test/Object/X86/nm-bitcodeweak.test
@@ -0,0 +1,15 @@
+; RUN: llvm-as %s -o=%t1
+; RUN: llvm-nm %t1 | FileCheck %s
+
+; CHECK: T __libc_blah
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-freebsd11.0"
+
+module asm ".weak __libc_blah"
+module asm ".equ __libc_blah, blah"
+
+; Function Attrs: nounwind uwtable
+define void @blah() {
+  ret void
+}