[llvm] [MC][AsmParser]: Don't use SourceMgr::AddIncludeFile when opening .incbin files (PR #194254)

[via llvm-commits]

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@@ -246,6 +261,28 @@ RealFile::getBuffer(const Twine &Name, int64_t FileSize,
                                    IsVolatile);
 }
 
+ErrorOr<std::unique_ptr<MemoryBuffer>>
+RealFile::getSliceBuffer(const Twine &Name, int64_t Offset, int64_t Count,
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SergeantCooper wrote:

I did this because getBuffer used the same for FileSize

https://github.com/llvm/llvm-project/pull/194254