diff --git a/llvm/tools/lto/lto.cpp b/llvm/tools/lto/lto.cpp
--- a/llvm/tools/lto/lto.cpp
+++ b/llvm/tools/lto/lto.cpp
@@ -290,6 +290,8 @@
       codegen::InitTargetOptionsFromCodeGenFlags(Triple());
   ErrorOr<std::unique_ptr<LTOModule>> M = LTOModule::createFromBuffer(
       unwrap(cg)->getContext(), mem, length, Options, StringRef(path));
+  if (!M)
+    return nullptr;
   return wrap(M->release());
 }