Use report_fatal_error before destroying input object on error.

src/IceELFObjectWriter.cpp

Index: src/IceELFObjectWriter.cpp
diff --git a/src/IceELFObjectWriter.cpp b/src/IceELFObjectWriter.cpp
index 9761ddee17bcaa1d1ba0c3e7d213013cfa8297a6..aab663caa1a7083ef35498f9554679c57f6df8ba 100644
--- a/src/IceELFObjectWriter.cpp
+++ b/src/IceELFObjectWriter.cpp
@@ -383,8 +383,9 @@ void ELFObjectWriter::writeDataOfType(SectionType ST,
       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;
         }