Add some missing #includes for GCC mainline, patch by Shantonu Sen!

llvm-svn: 48153

clang/AST/CFG.cpp

@@ -25,7 +25,7 @@
 #include <iomanip>
 #include <algorithm>
 #include <sstream>
-
+#include <iostream>
 
 using namespace clang;
 

clang/Basic/Diagnostic.cpp

@@ -16,6 +16,7 @@
 #include <cassert>
 #include <vector>
 #include <map>
+#include <cstring>
 using namespace clang;
 
 //===----------------------------------------------------------------------===//

clang/Driver/SerializationTest.cpp

@@ -23,7 +23,7 @@
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/Support/Streams.h"
 #include <fstream>
-
+#include <cstring>
 using namespace clang;
 
 //===----------------------------------------------------------------------===//

clang/Lex/ScratchBuffer.cpp

@@ -14,6 +14,7 @@
 #include "clang/Lex/ScratchBuffer.h"
 #include "clang/Basic/SourceManager.h"
 #include "llvm/Support/MemoryBuffer.h"
+#include <cstring>
 using namespace clang;
 
 // ScratchBufSize - The size of each chunk of scratch memory.  Slightly less

clang/include/clang/Rewrite/RewriteRope.h

@@ -16,7 +16,7 @@
 
 #include "llvm/ADT/iterator"
 #include <list>
-
+#include <cstring>
 
 namespace clang {