[lld][ELF] continue on finding a section with no symbols, tests already present

llvm-svn: 180769

lld/lib/ReaderWriter/ELF/File.h

@@ -341,6 +341,7 @@ public:
                                  content, 0, 0, _references);
         newAtom->setOrdinal(++ordinal);
         _definedAtoms._atoms.push_back(newAtom);
+        continue;
       }
 
       ELFDefinedAtom<ELFT> *previous_atom = nullptr;