Index: lib/CodeGen/BackendUtil.cpp
===================================================================
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -279,7 +279,8 @@
   const CodeGenOptions &CGOpts = BuilderWrapper.getCGOpts();
   int TrackOrigins = CGOpts.SanitizeMemoryTrackOrigins;
   bool Recover = CGOpts.SanitizeRecover.has(SanitizerKind::Memory);
-  PM.add(createMemorySanitizerLegacyPassPass(TrackOrigins, Recover, CompileKernel));
+  PM.add(createMemorySanitizerLegacyPassPass(
+      MemorySanitizerOptions{TrackOrigins, Recover, CompileKernel}));
 
   // MemorySanitizer inserts complex instrumentation that mostly follows
   // the logic of the original code, but operates on "shadow" values.
@@ -1035,7 +1036,7 @@
       if (LangOpts.Sanitize.has(SanitizerKind::Memory))
         PB.registerOptimizerLastEPCallback(
             [](FunctionPassManager &FPM, PassBuilder::OptimizationLevel Level) {
-              FPM.addPass(MemorySanitizerPass());
+              FPM.addPass(MemorySanitizerPass({}));
             });
       if (LangOpts.Sanitize.has(SanitizerKind::Thread))
         PB.registerOptimizerLastEPCallback(