Index: llvm/lib/Transforms/IPO/SCCP.cpp
===================================================================
--- llvm/lib/Transforms/IPO/SCCP.cpp
+++ llvm/lib/Transforms/IPO/SCCP.cpp
@@ -139,7 +139,9 @@
 namespace {
 struct FunctionSpecializationLegacyPass : public ModulePass {
   static char ID; // Pass identification, replacement for typeid
-  FunctionSpecializationLegacyPass() : ModulePass(ID) {}
+  explicit FunctionSpecializationLegacyPass() : ModulePass(ID) {
+	initializeFunctionSpecializationLegacyPassPass(*PassRegistry::getPassRegistry());
+  }
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<AssumptionCacheTracker>();