1 files changed, 4 insertions, 4 deletions
diff --git a/include/clang/Lex/LiteralSupport.h b/include/clang/Lex/LiteralSupport.h
index 3b68d1b570f4..b1430cc80519 100644
--- a/include/clang/Lex/LiteralSupport.h
+++ b/include/clang/Lex/LiteralSupport.h
@@ -15,13 +15,13 @@
 #ifndef CLANG_LITERALSUPPORT_H
 #define CLANG_LITERALSUPPORT_H
 
+#include "clang/Basic/CharInfo.h"
 #include "clang/Basic/LLVM.h"
+#include "clang/Basic/TokenKinds.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/DataTypes.h"
-#include "clang/Basic/TokenKinds.h"
-#include <cctype>
 
 namespace clang {
 
@@ -101,7 +101,7 @@ private:
   /// SkipHexDigits - Read and skip over any hex digits, up to End.
   /// Return a pointer to the first non-hex digit or End.
   const char *SkipHexDigits(const char *ptr) {
-    while (ptr != ThisTokEnd && isxdigit(*ptr))
+    while (ptr != ThisTokEnd && isHexDigit(*ptr))
       ptr++;
     return ptr;
   }
@@ -117,7 +117,7 @@ private:
   /// SkipDigits - Read and skip over any digits, up to End.
   /// Return a pointer to the first non-hex digit or End.
   const char *SkipDigits(const char *ptr) {
-    while (ptr != ThisTokEnd && isdigit(*ptr))
+    while (ptr != ThisTokEnd && isDigit(*ptr))
       ptr++;
     return ptr;
   }