Bring in 'CHAR_BIT' for GCC 4.3.

llvm-svn: 64196

clang/include/clang/AST/Type.h

@@ -20,6 +20,7 @@
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/PointerIntPair.h"
 #include "llvm/Bitcode/SerializationFwd.h"
+#include <climits>
 using llvm::isa;
 using llvm::cast;
 using llvm::cast_or_null;