From 08bbd35a80bf7765fe0d3043f9eb5a2f2786b649 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 26 Jun 2017 20:32:52 +0000
Subject: Vendor import of llvm trunk r306325:
 https://llvm.org/svn/llvm-project/llvm/trunk@306325

---
 lib/Support/BinaryStreamReader.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/Support/BinaryStreamReader.cpp')

diff --git a/lib/Support/BinaryStreamReader.cpp b/lib/Support/BinaryStreamReader.cpp
index bfb658cfa0b74..e00527f2519e1 100644
--- a/lib/Support/BinaryStreamReader.cpp
+++ b/lib/Support/BinaryStreamReader.cpp
@@ -109,6 +109,12 @@ Error BinaryStreamReader::readStreamRef(BinaryStreamRef &Ref, uint32_t Length) {
   return Error::success();
 }
 
+Error BinaryStreamReader::readSubstream(BinarySubstreamRef &Stream,
+                                        uint32_t Size) {
+  Stream.Offset = getOffset();
+  return readStreamRef(Stream.StreamData, Size);
+}
+
 Error BinaryStreamReader::skip(uint32_t Amount) {
   if (Amount > bytesRemaining())
     return make_error<BinaryStreamError>(stream_error_code::stream_too_short);
-- 
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