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author | Chris Lattner <sabre@nondot.org> | 2008-01-23 17:19:46 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2008-01-23 17:19:46 +0000 |
commit | 7238225c285180cd3282fb52064c591083eb58f3 (patch) | |
tree | 1b0bb0ccd2af4664e057c8a72d1c9d92c2328788 /clang/Lex/PPExpressions.cpp | |
parent | 54e42318c027c7ab70af0734bf83d1b7b28ac211 (diff) | |
download | bcm5719-llvm-7238225c285180cd3282fb52064c591083eb58f3.tar.gz bcm5719-llvm-7238225c285180cd3282fb52064c591083eb58f3.zip |
add support for -Wundef.
llvm-svn: 46274
Diffstat (limited to 'clang/Lex/PPExpressions.cpp')
-rw-r--r-- | clang/Lex/PPExpressions.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/Lex/PPExpressions.cpp b/clang/Lex/PPExpressions.cpp index 22c03af9e09..bd7dda4d9a1 100644 --- a/clang/Lex/PPExpressions.cpp +++ b/clang/Lex/PPExpressions.cpp @@ -74,6 +74,7 @@ static bool EvaluateValue(llvm::APSInt &Result, Token &PeekTok, // into a simple 0, unless it is the C++ keyword "true", in which case it // turns into "1". if (II->getPPKeywordID() != tok::pp_defined) { + PP.Diag(PeekTok, diag::warn_pp_undef_identifier, II->getName()); Result = II->getTokenID() == tok::kw_true; Result.setIsUnsigned(false); // "0" is signed intmax_t 0. PP.LexNonComment(PeekTok); |