Subzero. Fixes memory leaks.

src/IceELFObjectWriter.cpp

Index: src/IceELFObjectWriter.cpp
diff --git a/src/IceELFObjectWriter.cpp b/src/IceELFObjectWriter.cpp
index 44f4adb373c20238bc565d8e55251dae226cab1b..68daad045945e8cef74e5ad26f2138fbf83ae7b8 100644
--- a/src/IceELFObjectWriter.cpp
+++ b/src/IceELFObjectWriter.cpp
@@ -387,11 +387,12 @@ void ELFObjectWriter::writeDataOfType(SectionType ST,
         Section->setSize(Section->getCurrentSize() + SymbolSize);
     } else {
       assert(ST != BSS);
-      for (VariableDeclaration::Initializer *Init : Var->getInitializers()) {
+      for (const std::unique_ptr<VariableDeclaration::Initializer> &Init :
+           Var->getInitializers()) {
         switch (Init->getKind()) {
         case VariableDeclaration::Initializer::DataInitializerKind: {
           const auto Data = llvm::cast<VariableDeclaration::DataInitializer>(
-                                Init)->getContents();
+                                Init.get())->getContents();
           Section->appendData(Str, llvm::StringRef(Data.data(), Data.size()));
           break;
         }
@@ -400,7 +401,7 @@ void ELFObjectWriter::writeDataOfType(SectionType ST,
           break;
         case VariableDeclaration::Initializer::RelocInitializerKind: {
           const auto Reloc =
-              llvm::cast<VariableDeclaration::RelocInitializer>(Init);
+              llvm::cast<VariableDeclaration::RelocInitializer>(Init.get());
           AssemblerFixup NewFixup;
           NewFixup.set_position(Section->getCurrentSize());
           NewFixup.set_kind(RelocationKind);