Index: ELF/InputFiles.h
===================================================================
--- ELF/InputFiles.h
+++ ELF/InputFiles.h
@@ -36,6 +36,7 @@
 // The root class of input files.
 class InputFile {
 public:
+  virtual ~InputFile() {}
   enum Kind { ObjectKind, SharedKind, ArchiveKind, BitcodeKind };
   Kind kind() const { return FileKind; }
 
@@ -111,6 +112,18 @@
   ArrayRef<SymbolBody *> getNonLocalSymbols();
 
   explicit ObjectFile(MemoryBufferRef M);
+  ~ObjectFile() override {
+    for (InputSectionBase<ELFT> *Section : Sections) {
+      // EHInputSection<ELFT> and MergeInputSection<ELFT> are allocated
+      // using SpecificBumpPtrAllocator, which takes ownership.
+      if (Section == NULL ||
+          EHInputSection<ELFT>::classof(Section) ||
+          MergeInputSection<ELFT>::classof(Section)) {
+        continue;
+      }
+      Section->~InputSectionBase();
+    }
+  }
   void parse(llvm::DenseSet<StringRef> &ComdatGroups);
 
   ArrayRef<InputSectionBase<ELFT> *> getSections() const { return Sections; }
Index: ELF/InputSection.h
===================================================================
--- ELF/InputSection.h
+++ ELF/InputSection.h
@@ -45,6 +45,8 @@
 
   InputSectionBase(ObjectFile<ELFT> *File, const Elf_Shdr *Header,
                    Kind SectionKind);
+  virtual ~InputSectionBase() {}
+
   OutputSectionBase<ELFT> *OutSec = nullptr;
   uint32_t Align;