Use const_cast to avoid warnings.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139104 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 3175d04..d33d9c5 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -312,7 +312,7 @@
MemoryBuffer *NewBuffer =
MemoryBuffer::getNewUninitMemBuffer(Buffer->getBufferSize() + 1,
Buffer->getBufferIdentifier());
- char *NewBuf = (char*)NewBuffer->getBufferStart();
+ char *NewBuf = const_cast<char*>(NewBuffer->getBufferStart());
char *NewPos = std::copy(Buffer->getBufferStart(), Position, NewBuf);
*NewPos = '\0';
std::copy(Position, Buffer->getBufferEnd(), NewPos+1);