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-rw-r--r--lib/Lex/TokenConcatenation.cpp11
1 files changed, 5 insertions, 6 deletions
diff --git a/lib/Lex/TokenConcatenation.cpp b/lib/Lex/TokenConcatenation.cpp
index 30dc8f19d9..0a66bba91f 100644
--- a/lib/Lex/TokenConcatenation.cpp
+++ b/lib/Lex/TokenConcatenation.cpp
@@ -12,9 +12,9 @@
//===----------------------------------------------------------------------===//
#include "clang/Lex/TokenConcatenation.h"
+#include "clang/Basic/CharInfo.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/Support/ErrorHandling.h"
-#include <cctype>
using namespace clang;
@@ -240,13 +240,12 @@ bool TokenConcatenation::AvoidConcat(const Token &PrevPrevTok,
return IsIdentifierStringPrefix(PrevTok);
case tok::numeric_constant:
- return isalnum(FirstChar) || Tok.is(tok::numeric_constant) ||
- FirstChar == '+' || FirstChar == '-' || FirstChar == '.' ||
- (PP.getLangOpts().CPlusPlus11 && FirstChar == '_');
+ return isPreprocessingNumberBody(FirstChar) ||
+ FirstChar == '+' || FirstChar == '-';
case tok::period: // ..., .*, .1234
return (FirstChar == '.' && PrevPrevTok.is(tok::period)) ||
- isdigit(FirstChar) ||
- (PP.getLangOpts().CPlusPlus && FirstChar == '*');
+ isDigit(FirstChar) ||
+ (PP.getLangOpts().CPlusPlus && FirstChar == '*');
case tok::amp: // &&
return FirstChar == '&';
case tok::plus: // ++