[llvm] [ObjectYAML][NFC] Hoist ContiguousBlobAccumulator into a shared header (PR #207306)

[James Henderson via llvm-commits]

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@@ -0,0 +1,72 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// This file implements the ContiguousBlobAccumulator methods declared in
+/// ContiguousBlobAccumulator.h.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ObjectYAML/ContiguousBlobAccumulator.h"
+#include "llvm/ObjectYAML/YAML.h"
+#include "llvm/Support/Errc.h"
+#include "llvm/Support/LEB128.h"
+#include "llvm/Support/MathExtras.h"
+#include <cassert>
+#include <cstring>
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jh7370 wrote:

Similar to the other comment, these look to be unnecessary as the other included headers include them.

https://github.com/llvm/llvm-project/pull/207306