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| author | Peter Klausler <pklausler@nvidia.com> | 2025-08-29 11:57:59 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-08-29 11:57:59 -0700 |
| commit | 943c7042c622c331784f7eadc35e732ae62aef52 (patch) | |
| tree | 8abdf8d2e307edc39b5667a2c2766cd50c22f1f3 /flang/lib/Parser/preprocessor.cpp | |
| parent | 3f6768c0d1c743574acab43c54029f6c142909c6 (diff) | |
| download | llvm-943c7042c622c331784f7eadc35e732ae62aef52.zip llvm-943c7042c622c331784f7eadc35e732ae62aef52.tar.gz llvm-943c7042c622c331784f7eadc35e732ae62aef52.tar.bz2 | |
[flang] Support #if defined when no definitions (#156080)
The "defined" operator isn't working in #if/#elif expressions when there
are no defined macros. Fix.
Diffstat (limited to 'flang/lib/Parser/preprocessor.cpp')
| -rw-r--r-- | flang/lib/Parser/preprocessor.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/flang/lib/Parser/preprocessor.cpp b/flang/lib/Parser/preprocessor.cpp index ae14e2d..9176b4d 100644 --- a/flang/lib/Parser/preprocessor.cpp +++ b/flang/lib/Parser/preprocessor.cpp @@ -414,7 +414,7 @@ std::optional<TokenSequence> Preprocessor::MacroReplacement( const TokenSequence &input, Prescanner &prescanner, std::optional<std::size_t> *partialFunctionLikeMacro, bool inIfExpression) { // Do quick scan for any use of a defined name. - if (definitions_.empty()) { + if (!inIfExpression && definitions_.empty()) { return std::nullopt; } std::size_t tokens{input.SizeInTokens()}; |