diff options
Diffstat (limited to 'lib/Lex/PPExpressions.cpp')
| -rw-r--r-- | lib/Lex/PPExpressions.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp index 168c9d08ad..86f93e407a 100644 --- a/lib/Lex/PPExpressions.cpp +++ b/lib/Lex/PPExpressions.cpp @@ -91,7 +91,8 @@ static bool EvaluateValue(PPValue &Result, Token &PeekTok, DefinedTracker &DT, // 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; + if (ValueLive) + PP.Diag(PeekTok, diag::warn_pp_undef_identifier) << II; Result.Val = II->getTokenID() == tok::kw_true; Result.Val.setIsUnsigned(false); // "0" is signed intmax_t 0. Result.setRange(PeekTok.getLocation()); |