Remove the old file memory mapping functions.
llvm-svn: 183828
diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp
index 7c5ab96..82812c0 100644
--- a/llvm/lib/Support/MemoryBuffer.cpp
+++ b/llvm/lib/Support/MemoryBuffer.cpp
@@ -33,8 +33,7 @@
#include <unistd.h>
#else
#include <io.h>
-// Simplistic definitinos of these macros to allow files to be read with
-// MapInFilePages.
+// Simplistic definitinos of these macros for use in getOpenFile.
#ifndef S_ISREG
#define S_ISREG(x) (1)
#endif