[ELF] Sort DWARF.h sections. NFC

to make it clear whether .debug_names should be added.
And include llvm/ADT/STLFunctionalExtras.h for IWYU.

Author: MaskRay

lld/ELF/DWARF.h

@@ -11,6 +11,7 @@
 
 #include "InputFiles.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
 #include "llvm/Object/ELF.h"
 #include <optional>
@@ -36,34 +37,28 @@ template <class ELFT> class LLDDwarfObj final : public llvm::DWARFObject {
     return cast<InputSection>(infoSection.sec);
   }
 
+  const llvm::DWARFSection &getAddrSection() const override {
+    return addrSection;
+  }
+  const llvm::DWARFSection &getLineSection() const override {
+    return lineSection;
+  }
   const llvm::DWARFSection &getLoclistsSection() const override {
     return loclistsSection;
   }
-
   const llvm::DWARFSection &getRangesSection() const override {
     return rangesSection;
   }
-
   const llvm::DWARFSection &getRnglistsSection() const override {
     return rnglistsSection;
   }
-
   const llvm::DWARFSection &getStrOffsetsSection() const override {
     return strOffsetsSection;
   }
 
-  const llvm::DWARFSection &getLineSection() const override {
-    return lineSection;
-  }
-
-  const llvm::DWARFSection &getAddrSection() const override {
-    return addrSection;
-  }
-
   const LLDDWARFSection &getGnuPubnamesSection() const override {
     return gnuPubnamesSection;
   }
-
   const LLDDWARFSection &getGnuPubtypesSection() const override {
     return gnuPubtypesSection;
   }
@@ -86,18 +81,18 @@ template <class ELFT> class LLDDwarfObj final : public llvm::DWARFObject {
                                               uint64_t pos,
                                               ArrayRef<RelTy> rels) const;
 
+  LLDDWARFSection addrSection;
   LLDDWARFSection gnuPubnamesSection;
   LLDDWARFSection gnuPubtypesSection;
   LLDDWARFSection infoSection;
+  LLDDWARFSection lineSection;
   LLDDWARFSection loclistsSection;
   LLDDWARFSection rangesSection;
   LLDDWARFSection rnglistsSection;
   LLDDWARFSection strOffsetsSection;
-  LLDDWARFSection lineSection;
-  LLDDWARFSection addrSection;
   StringRef abbrevSection;
-  StringRef strSection;
   StringRef lineStrSection;
+  StringRef strSection;
 };
 
 } // namespace lld::elf

lld/ELF/SyntheticSections.h

@@ -25,6 +25,7 @@
 #include "Symbols.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/MapVector.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/BinaryFormat/ELF.h"
 #include "llvm/MC/StringTableBuilder.h"
 #include "llvm/Support/Compiler.h"