Index: llvm/lib/ExecutionEngine/Orc/ObjectLinkingLayer.cpp
===================================================================
--- llvm/lib/ExecutionEngine/Orc/ObjectLinkingLayer.cpp
+++ llvm/lib/ExecutionEngine/Orc/ObjectLinkingLayer.cpp
@@ -423,7 +423,8 @@
     std::vector<std::pair<SymbolStringPtr, Symbol *>> NameToSym;
 
     auto ProcessSymbol = [&](Symbol *Sym) {
-      if (Sym->hasName() && Sym->getLinkage() == Linkage::Weak) {
+      if (Sym->hasName() && Sym->getLinkage() == Linkage::Weak &&
+          Sym->getScope() != Scope::Local) {
         auto Name = ES.intern(Sym->getName());
         if (!MR->getSymbols().count(ES.intern(Sym->getName()))) {
           JITSymbolFlags SF = JITSymbolFlags::Weak;
Index: llvm/test/ExecutionEngine/JITLink/X86/MachO_weak_local.s
===================================================================
--- /dev/null
+++ llvm/test/ExecutionEngine/JITLink/X86/MachO_weak_local.s
@@ -0,0 +1,16 @@
+# RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o %t %s
+# RUN: llvm-jitlink -noexec %t -show-graph | FileCheck %s
+
+# CHECK: linkage: weak, scope: local, live  -   _foo_weak
+
+# _foo_weak is weak and local. Make sure we can link it.
+  .section  __TEXT,__text,regular,pure_instructions
+  .weak_definition  _foo_weak
+  .p2align  4, 0x90
+_foo_weak:
+  retq
+
+  .globl  _main
+  .p2align  4, 0x90
+_main:
+  jmp _foo_weak