diff options
Diffstat (limited to 'clang/lib/Lex/Preprocessor.cpp')
| -rw-r--r-- | clang/lib/Lex/Preprocessor.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp index 4c050bf..9ea7b95 100644 --- a/clang/lib/Lex/Preprocessor.cpp +++ b/clang/lib/Lex/Preprocessor.cpp @@ -834,6 +834,11 @@ bool Preprocessor::HandleIdentifier(Token &Identifier) { II.setIsFutureCompatKeyword(false); } + // If this identifier would be a keyword in C++, diagnose as a compatibility + // issue. + if (II.IsKeywordInCPlusPlus() && !DisableMacroExpansion) + Diag(Identifier, diag::warn_pp_identifier_is_cpp_keyword) << &II; + // If this is an extension token, diagnose its use. // We avoid diagnosing tokens that originate from macro definitions. // FIXME: This warning is disabled in cases where it shouldn't be, |