Remove Out::Pool and use make() instead.

llvm-svn: 285763
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 6e7b775..b51cf80 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -543,8 +543,7 @@
       continue;
     }
 
-    auto *OutSec = new OutputSection<ELFT>(Cmd->Name, Type, Flags);
-    Out<ELFT>::Pool.emplace_back(OutSec);
+    auto *OutSec = make<OutputSection<ELFT>>(Cmd->Name, Type, Flags);
     OutputSections->push_back(OutSec);
   }
 }
diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
index 9be3b3b..131aff5 100644
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -10,8 +10,9 @@
 #include "OutputSections.h"
 #include "Config.h"
 #include "EhFrame.h"
-#include "LinkerScript.h"
 #include "GdbIndex.h"
+#include "LinkerScript.h"
+#include "Memory.h"
 #include "Strings.h"
 #include "SymbolTable.h"
 #include "Target.h"
@@ -1881,24 +1882,23 @@
   uint32_t Type = C->Type;
   switch (C->kind()) {
   case InputSectionBase<ELFT>::Regular:
-    Sec = new OutputSection<ELFT>(Key.Name, Type, Flags);
+    Sec = make<OutputSection<ELFT>>(Key.Name, Type, Flags);
     break;
   case InputSectionBase<ELFT>::EHFrame:
     return {Out<ELFT>::EhFrame, false};
   case InputSectionBase<ELFT>::Merge:
-    Sec = new MergeOutputSection<ELFT>(Key.Name, Type, Flags, Key.Alignment);
+    Sec = make<MergeOutputSection<ELFT>>(Key.Name, Type, Flags, Key.Alignment);
     break;
   case InputSectionBase<ELFT>::MipsReginfo:
-    Sec = new MipsReginfoOutputSection<ELFT>();
+    Sec = make<MipsReginfoOutputSection<ELFT>>();
     break;
   case InputSectionBase<ELFT>::MipsOptions:
-    Sec = new MipsOptionsOutputSection<ELFT>();
+    Sec = make<MipsOptionsOutputSection<ELFT>>();
     break;
   case InputSectionBase<ELFT>::MipsAbiFlags:
-    Sec = new MipsAbiFlagsOutputSection<ELFT>();
+    Sec = make<MipsAbiFlagsOutputSection<ELFT>>();
     break;
   }
-  Out<ELFT>::Pool.emplace_back(Sec);
   return {Sec, true};
 }
 
diff --git a/lld/ELF/OutputSections.h b/lld/ELF/OutputSections.h
index 2e039d0..36cbf4e 100644
--- a/lld/ELF/OutputSections.h
+++ b/lld/ELF/OutputSections.h
@@ -773,9 +773,6 @@
   static OutputSectionBase<ELFT> *PreinitArray;
   static OutputSectionBase<ELFT> *InitArray;
   static OutputSectionBase<ELFT> *FiniArray;
-
-  // This pool owns dynamically-allocated output sections.
-  static std::vector<std::unique_ptr<OutputSectionBase<ELFT>>> Pool;
 };
 
 template <bool Is64Bits> struct SectionKey {
@@ -842,10 +839,6 @@
 template <class ELFT> OutputSectionBase<ELFT> *Out<ELFT>::PreinitArray;
 template <class ELFT> OutputSectionBase<ELFT> *Out<ELFT>::InitArray;
 template <class ELFT> OutputSectionBase<ELFT> *Out<ELFT>::FiniArray;
-
-template <class ELFT>
-std::vector<std::unique_ptr<OutputSectionBase<ELFT>>> Out<ELFT>::Pool;
-
 } // namespace elf
 } // namespace lld
 
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 2c0057a..2f9dc41 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -247,7 +247,6 @@
   In<ELFT>::Sections = {BuildId.get()};
 
   Writer<ELFT>().run();
-  Out<ELFT>::Pool.clear();
 }
 
 template <class ELFT> static std::vector<DefinedCommon *> getCommonSymbols() {