Index: tools/opt/CMakeLists.txt
===================================================================
--- tools/opt/CMakeLists.txt
+++ tools/opt/CMakeLists.txt
@@ -22,6 +22,7 @@
   TransformUtils
   Vectorize
   Passes
+  Linker
   )
 
 # Support plugins.
@@ -31,6 +32,7 @@
   AnalysisWrappers.cpp
   BreakpointPrinter.cpp
   Debugify.cpp
+  EnsurePluginSymbols.cpp
   GraphPrinters.cpp
   NewPMDriver.cpp
   PassPrinters.cpp
Index: tools/opt/EnsurePluginSymbols.cpp
===================================================================
--- /dev/null
+++ tools/opt/EnsurePluginSymbols.cpp
@@ -0,0 +1,27 @@
+//===- EnsurePluginSymbols.cpp - ------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Plugins via the -load mechanism may require symbols that opt itself does not
+// use. This file ensures that those symbols are added to the executable by the
+// static library linker.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/IR/Module.h"
+#include "llvm/Linker/Linker.h"
+
+using namespace llvm;
+
+void ensurePluginSymbols() {
+  LLVMContext C;
+  Module M("", C);
+
+  // Linker is e.g. required by Polly's GPGPU generator to link libdevice with
+  // user code.
+  Linker L(M);
+}