8 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
index da972eae756..724ecedf3b3 100644
--- a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
@@ -23,6 +23,8 @@
 
 using namespace llvm;
 
+void CallLowering::anchor() {}
+
 bool CallLowering::lowerCall(
     MachineIRBuilder &MIRBuilder, ImmutableCallSite CS, unsigned ResReg,
     ArrayRef<unsigned> ArgRegs, std::function<unsigned()> GetCalleeReg) const {
@@ -180,3 +182,5 @@ unsigned CallLowering::ValueHandler::extendRegister(unsigned ValReg,
   }
   llvm_unreachable("unable to extend register");
 }
+
+void CallLowering::ValueHandler::anchor() {}
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 3ae7bd90554..2f26a150b50 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -87,6 +87,8 @@ static SDVTList makeVTList(const EVT *VTs, unsigned NumVTs) {
 void SelectionDAG::DAGUpdateListener::NodeDeleted(SDNode*, SDNode*) {}
 void SelectionDAG::DAGUpdateListener::NodeUpdated(SDNode*) {}
 
+void SelectionDAG::DAGNodeDeletedListener::anchor() {}
+
 #define DEBUG_TYPE "selectiondag"
 
 static cl::opt<bool> EnableMemCpyDAGOpt("enable-memcpy-dag-opt",
diff --git a/llvm/lib/IR/DiagnosticInfo.cpp b/llvm/lib/IR/DiagnosticInfo.cpp
index 3c6665bbcb7..dc957ab7dad 100644
--- a/llvm/lib/IR/DiagnosticInfo.cpp
+++ b/llvm/lib/IR/DiagnosticInfo.cpp
@@ -104,6 +104,11 @@ void DiagnosticInfoPGOProfile::print(DiagnosticPrinter &DP) const {
   DP << getMsg();
 }
 
+void DiagnosticInfo::anchor() {}
+void DiagnosticInfoStackSize::anchor() {}
+void DiagnosticInfoWithLocationBase::anchor() {}
+void DiagnosticInfoIROptimization::anchor() {}
+
 DiagnosticLocation::DiagnosticLocation(const DebugLoc &DL) {
   if (!DL)
     return;
@@ -366,6 +371,9 @@ std::string DiagnosticInfoOptimizationBase::getMsg() const {
   return OS.str();
 }
 
+void OptimizationRemarkAnalysisFPCommute::anchor() {}
+void OptimizationRemarkAnalysisAliasing::anchor() {}
+
 namespace llvm {
 namespace yaml {
 
diff --git a/llvm/lib/Object/Error.cpp b/llvm/lib/Object/Error.cpp
index 7d43a84f3e0..6fa23e06c40 100644
--- a/llvm/lib/Object/Error.cpp
+++ b/llvm/lib/Object/Error.cpp
@@ -57,6 +57,7 @@ std::string _object_error_category::message(int EV) const {
                    "defined.");
 }
 
+void BinaryError::anchor() {}
 char BinaryError::ID = 0;
 char GenericBinaryError::ID = 0;
 
diff --git a/llvm/lib/Support/Error.cpp b/llvm/lib/Support/Error.cpp
index 0b0be8d48fa..bb5c31a2a35 100644
--- a/llvm/lib/Support/Error.cpp
+++ b/llvm/lib/Support/Error.cpp
@@ -54,6 +54,7 @@ namespace llvm {
 void ErrorInfoBase::anchor() {}
 char ErrorInfoBase::ID = 0;
 char ErrorList::ID = 0;
+void ECError::anchor() {};
 char ECError::ID = 0;
 char StringError::ID = 0;
 char FileError::ID = 0;
diff --git a/llvm/lib/Support/FormatVariadic.cpp b/llvm/lib/Support/FormatVariadic.cpp
index 6dd133e6c50..1f3505d5f74 100644
--- a/llvm/lib/Support/FormatVariadic.cpp
+++ b/llvm/lib/Support/FormatVariadic.cpp
@@ -152,3 +152,5 @@ formatv_object_base::parseFormatString(StringRef Fmt) {
   }
   return Replacements;
 }
+
+void detail::format_adapter::anchor() { }
diff --git a/llvm/lib/Support/VirtualFileSystem.cpp b/llvm/lib/Support/VirtualFileSystem.cpp
index 24581944fa8..360f8d0061f 100644
--- a/llvm/lib/Support/VirtualFileSystem.cpp
+++ b/llvm/lib/Support/VirtualFileSystem.cpp
@@ -472,6 +472,8 @@ directory_iterator OverlayFileSystem::dir_begin(const Twine &Dir,
       std::make_shared<OverlayFSDirIterImpl>(Dir, *this, EC));
 }
 
+void ProxyFileSystem::anchor() {}
+
 namespace llvm {
 namespace vfs {
 
diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
index 81df38f341c..21dde7ff914 100644
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -914,3 +914,5 @@ void raw_null_ostream::pwrite_impl(const char *Ptr, size_t Size,
                                    uint64_t Offset) {}
 
 void raw_pwrite_stream::anchor() {}
+
+void buffer_ostream::anchor() {}