[ELF] Fix memory leak in BinaryFile handling.

llvm-svn: 281129

lld/ELF/SymbolTable.cpp

@@ -55,6 +55,7 @@ void SymbolTable<ELFT>::addFile(std::unique_ptr<InputFile> File) {
 
   // Binary file
   if (auto *F = dyn_cast<BinaryFile>(FileP)) {
+    BinaryFiles.emplace_back(cast<BinaryFile>(File.release()));
     addFile(F->createELF<ELFT>());
     return;
   }

lld/ELF/SymbolTable.h

@@ -127,6 +127,7 @@ private:
 
   // The symbol table owns all file objects.
   std::vector<std::unique_ptr<ArchiveFile>> ArchiveFiles;
+  std::vector<std::unique_ptr<BinaryFile>> BinaryFiles;
   std::vector<std::unique_ptr<ObjectFile<ELFT>>> ObjectFiles;
   std::vector<std::unique_ptr<LazyObjectFile>> LazyObjectFiles;
   std::vector<std::unique_ptr<SharedFile<ELFT>>> SharedFiles;