4 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp b/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp
index 438e656b60f..eb99312bb73 100644
--- a/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp
+++ b/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp
@@ -28,6 +28,8 @@
 
 using namespace llvm;
 
+void llvm::ObjectMemoryBuffer::anchor() {}
+
 namespace {
 
 static struct RegisterJIT {
@@ -665,3 +667,5 @@ LinkingSymbolResolver::findSymbol(const std::string &Name) {
     return nullptr;
   return ClientResolver->findSymbol(Name);
 }
+
+void LinkingSymbolResolver::anchor() {}
diff --git a/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h b/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h
index 110cfa675cf..7ac792497f7 100644
--- a/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h
+++ b/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h
@@ -42,6 +42,7 @@ public:
 private:
   MCJIT &ParentEngine;
   std::shared_ptr<LegacyJITSymbolResolver> ClientResolver;
+  void anchor() override;
 };
 
 // About Module states: added->loaded->finalized.
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp
index 99e84b7496d..e774af05ebd 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp
@@ -298,4 +298,6 @@ void *RTDyldMemoryManager::getPointerToNamedFunction(const std::string &Name,
   return (void*)Addr;
 }
 
+void RTDyldMemoryManager::anchor() {}
+void MCJITMemoryManager::anchor() {}
 } // namespace llvm
diff --git a/llvm/lib/ExecutionEngine/SectionMemoryManager.cpp b/llvm/lib/ExecutionEngine/SectionMemoryManager.cpp
index 2dc66a1502f..05ab4a074e3 100644
--- a/llvm/lib/ExecutionEngine/SectionMemoryManager.cpp
+++ b/llvm/lib/ExecutionEngine/SectionMemoryManager.cpp
@@ -232,6 +232,8 @@ SectionMemoryManager::~SectionMemoryManager() {
 
 SectionMemoryManager::MemoryMapper::~MemoryMapper() {}
 
+void SectionMemoryManager::anchor() {}
+
 namespace {
 // Trivial implementation of SectionMemoryManager::MemoryMapper that just calls
 // into sys::Memory.