Fixup for r180094: properly use MSan interface functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180103 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/Compression.cpp b/lib/Support/Compression.cpp
index 36afa8c06b14287b724af4d540c20b1c132374e9..fd8a8743ea180aca3a859cd37049610d9f3ffaeb 100644 (file)
--- a/lib/Support/Compression.cpp
+++ b/lib/Support/Compression.cpp
@@ -60,7 +60,7 @@ zlib::Status zlib::compress(StringRef InputBuffer,
     CompressedBuffer.reset(MemoryBuffer::getMemBufferCopy(
         StringRef(TmpBuffer.get(), CompressedSize)));
     // Tell MSan that memory initialized by zlib is valid.
-    __msan_unpoison(CompressedBuffer.data(), CompressedBuffer.size());
+    __msan_unpoison(CompressedBuffer->getBufferStart(), CompressedSize);
   }
   return Res;
 }
@@ -76,7 +76,7 @@ zlib::Status zlib::uncompress(StringRef InputBuffer,
     UncompressedBuffer.reset(MemoryBuffer::getMemBufferCopy(
         StringRef(TmpBuffer.get(), UncompressedSize)));
     // Tell MSan that memory initialized by zlib is valid.
-    __msan_unpoison(UncompressedBuffer.data(), UncompressedBuffer.size());
+    __msan_unpoison(UncompressedBuffer->getBufferStart(), UncompressedSize);
   }
   return Res;
 }