diff options
| -rw-r--r-- | clang/lib/Lex/TokenLexer.cpp | 10 | ||||
| -rw-r--r-- | clang/test/Preprocessor/macro_fn_comma_swallow2.c | 5 |
2 files changed, 5 insertions, 10 deletions
diff --git a/clang/lib/Lex/TokenLexer.cpp b/clang/lib/Lex/TokenLexer.cpp index 97cb2cf0bb8c..da5681aaf478 100644 --- a/clang/lib/Lex/TokenLexer.cpp +++ b/clang/lib/Lex/TokenLexer.cpp @@ -148,12 +148,12 @@ bool TokenLexer::MaybeRemoveCommaBeforeVaArgs( return false; // GCC removes the comma in the expansion of " ... , ## __VA_ARGS__ " if - // __VA_ARGS__ is empty, but not in strict mode where there are no - // named arguments, where it remains. With GNU extensions, it is removed - // regardless of named arguments. + // __VA_ARGS__ is empty, but not in strict C99 mode where there are no + // named arguments, where it remains. In all other modes, including C99 + // with GNU extensions, it is removed regardless of named arguments. // Microsoft also appears to support this extension, unofficially. - if (!PP.getLangOpts().GNUMode && !PP.getLangOpts().MSVCCompat && - Macro->getNumParams() < 2) + if (PP.getLangOpts().C99 && !PP.getLangOpts().GNUMode + && Macro->getNumParams() < 2) return false; // Is a comma available to be removed? diff --git a/clang/test/Preprocessor/macro_fn_comma_swallow2.c b/clang/test/Preprocessor/macro_fn_comma_swallow2.c index 4e4960ca7f18..93ab2b83664a 100644 --- a/clang/test/Preprocessor/macro_fn_comma_swallow2.c +++ b/clang/test/Preprocessor/macro_fn_comma_swallow2.c @@ -1,16 +1,11 @@ // Test the __VA_ARGS__ comma swallowing extensions of various compiler dialects. // RUN: %clang_cc1 -E %s | FileCheck -check-prefix=GCC -strict-whitespace %s -// RUN: %clang_cc1 -E -std=c90 %s | FileCheck -check-prefix=C99 -strict-whitespace %s // RUN: %clang_cc1 -E -std=c99 %s | FileCheck -check-prefix=C99 -strict-whitespace %s // RUN: %clang_cc1 -E -std=c11 %s | FileCheck -check-prefix=C99 -strict-whitespace %s // RUN: %clang_cc1 -E -x c++ %s | FileCheck -check-prefix=GCC -strict-whitespace %s -// RUN: %clang_cc1 -E -x c++ -std=c++03 %s | FileCheck -check-prefix=C99 -strict-whitespace %s -// RUN: %clang_cc1 -E -x c++ -std=c++11 %s | FileCheck -check-prefix=C99 -strict-whitespace %s // RUN: %clang_cc1 -E -std=gnu99 %s | FileCheck -check-prefix=GCC -strict-whitespace %s // RUN: %clang_cc1 -E -fms-compatibility %s | FileCheck -check-prefix=MS -strict-whitespace %s -// RUN: %clang_cc1 -E -x c++ -fms-compatibility %s | FileCheck -check-prefix=MS -strict-whitespace %s -// RUN: %clang_cc1 -E -x c++ -std=c++11 -fms-compatibility %s | FileCheck -check-prefix=MS -strict-whitespace %s // RUN: %clang_cc1 -E -DNAMED %s | FileCheck -check-prefix=GCC -strict-whitespace %s // RUN: %clang_cc1 -E -std=c99 -DNAMED %s | FileCheck -check-prefix=C99 -strict-whitespace %s |