Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lld/Common/Memory.cpp

@@ -0,0 +1,23 @@
+//===- Memory.cpp ---------------------------------------------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lld/Common/Memory.h"
+
+using namespace llvm;
+using namespace lld;
+
+BumpPtrAllocator lld::BAlloc;
+StringSaver lld::Saver{BAlloc};
+std::vector<SpecificAllocBase *> lld::SpecificAllocBase::Instances;
+
+void lld::freeArena() {
+  for (SpecificAllocBase *Alloc : SpecificAllocBase::Instances)
+    Alloc->reset();
+  BAlloc.Reset();
+}