allwpilib/upstream_utils/llvm_patches/0029-raw_ostream-Add-SetNumBytesInBuffer.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Johnson <johnson.peter@gmail.com>
Date: Sun, 29 Oct 2023 23:00:08 -0700
Subject: [PATCH 29/35] raw_ostream: Add SetNumBytesInBuffer

---
 llvm/include/llvm/Support/raw_ostream.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/llvm/include/llvm/Support/raw_ostream.h b/llvm/include/llvm/Support/raw_ostream.h
index 264b8192a0473b94363765995517851cbf30d045..d0e5ba46a9e748037c2ad444207fc8fc236ec5d5 100644
--- a/llvm/include/llvm/Support/raw_ostream.h
+++ b/llvm/include/llvm/Support/raw_ostream.h
@@ -365,6 +365,11 @@ protected:
     SetBufferAndMode(BufferStart, Size, BufferKind::ExternalBuffer);
   }
 
+  /// Force-set the number of bytes in the raw_ostream buffer.
+  void SetNumBytesInBuffer(size_t Size) {
+    OutBufCur = OutBufStart + Size;
+  }
+
   /// Return an efficient buffer size for the underlying output mechanism.
   virtual size_t preferred_buffer_size() const;