Merge "Share the runtime arena for faster compile times."
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index ea969dc..eaa30df 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -482,8 +482,7 @@
     class_def_idx, method_idx, access_flags,
     compiler_driver->GetVerifiedMethod(&dex_file, method_idx));
 
-  ArenaPool pool;
-  ArenaAllocator arena(&pool);
+  ArenaAllocator arena(Runtime::Current()->GetArenaPool());
   HGraph* graph = new (&arena) HGraph(
       &arena, compiler_driver->GetCompilerOptions().GetDebuggable());