Return early before iterating over local symbols. NFC.

llvm-svn: 258385
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index a8a5aca..bc2c7ad 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -363,6 +363,8 @@
 // Local symbols are not in the linker's symbol table. This function scans
 // each object file's symbol table to copy local symbols to the output.
 template <class ELFT> void Writer<ELFT>::copyLocalSymbols() {
+  if (!Out<ELFT>::SymTab)
+    return;
   for (const std::unique_ptr<ObjectFile<ELFT>> &F : Symtab.getObjectFiles()) {
     for (const Elf_Sym &Sym : F->getLocalSymbols()) {
       ErrorOr<StringRef> SymNameOrErr = Sym.getName(F->getStringTable());
@@ -370,8 +372,7 @@
       StringRef SymName = *SymNameOrErr;
       if (!shouldKeepInSymtab<ELFT>(*F, SymName, Sym))
         continue;
-      if (Out<ELFT>::SymTab)
-        Out<ELFT>::SymTab->addLocalSymbol(SymName);
+      Out<ELFT>::SymTab->addLocalSymbol(SymName);
     }
   }
 }