Merge pull request #5795 from compnerd/error-api-update

driver: adjust for SVN r286561

Author: compnerd

tools/driver/autolink_extract_main.cpp

@@ -147,7 +147,7 @@ static bool extractLinkerFlags(const llvm::object::Binary *Bin,
     extractLinkerFlagsFromObjectFile(ObjectFile, LinkerFlags);
     return false;
   } else if (auto *Archive = llvm::dyn_cast<llvm::object::Archive>(Bin)) {
-    llvm::Error Error;
+    llvm::Error Error = llvm::Error::success();
     for (const auto &Child : Archive->children(Error)) {
       auto ChildBinary = Child.getAsBinary();
       // FIXME: BinaryFileName below should instead be ld-style names for