Use report_fatal_error before destroying input object on error.

src/IceELFObjectWriter.cpp

 //===- subzero/src/IceELFObjectWriter.cpp - ELF object file writer --------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines the writer for ELF relocatable object files.
@@ skipping 365 matching lines @@
       assert(ST == BSS || ST == ROData);
       if (ST == ROData)
         Section->appendZeros(Str, SymbolSize);
       else
         Section->setSize(Section->getCurrentSize() + SymbolSize);
     } else {
       assert(ST != BSS);
       for (VariableDeclaration::Initializer *Init : Var->getInitializers()) {
         switch (Init->getKind()) {
         case VariableDeclaration::Initializer::DataInitializerKind: {
-          const auto Data = llvm::cast<VariableDeclaration::DataInitializer>(
-                                Init)->getContents();
+          const auto Data =
+              llvm::cast<VariableDeclaration::DataInitializer>(Init)
+                  ->getContents();
           Section->appendData(Str, llvm::StringRef(Data.data(), Data.size()));
           break;
         }
         case VariableDeclaration::Initializer::ZeroInitializerKind:
           Section->appendZeros(Str, Init->getNumBytes());
           break;
         case VariableDeclaration::Initializer::RelocInitializerKind: {
           const auto Reloc =
               llvm::cast<VariableDeclaration::RelocInitializer>(Init);
           AssemblerFixup NewFixup;
@@ skipping 209 matching lines @@
   if (ELF64) {
     writeELFHeaderInternal<true>(ShOffset, ShStrTab->getNumber(),
                                  AllSections.size());
   } else {
     writeELFHeaderInternal<false>(ShOffset, ShStrTab->getNumber(),
                                   AllSections.size());
   }
 }
 
 } // end of namespace Ice