[Object] Change SymbolicFile::printSymbolName to use Error

llvm-svn: 360414
diff --git a/llvm/tools/llvm-readobj/COFFImportDumper.cpp b/llvm/tools/llvm-readobj/COFFImportDumper.cpp
index 1d9e7c8..c9d5e82 100644
--- a/llvm/tools/llvm-readobj/COFFImportDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFImportDumper.cpp
@@ -50,7 +50,7 @@
   for (const object::BasicSymbolRef &Sym : File->symbols()) {
     raw_ostream &OS = Writer.startLine();
     OS << "Symbol: ";
-    Sym.printName(OS);
+    cantFail(Sym.printName(OS));
     OS << "\n";
   }
 }