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[Clang] define __cpp_named_character_escapes 

Define the feature test macro for named character escapes.
I assume this was not done because it was implemented before formally accepted, right? cxx_status says the paper is implemented.

Reviewed By: cor3ntin

Differential Revision: https://reviews.llvm.org/D134898
This commit is contained in:
Roy Jacobson 2022-09-29 23:19:45 +03:00
parent 9706bb3165
commit bd1bb8cd42
2 changed files with 4 additions and 3 deletions
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5
clang/lib/Frontend/InitPreprocessor.cpp
View File

@ -697,10 +697,11 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
Builder.defineMacro("__cpp_multidimensional_subscript", "202110L");
}
// We provide this as an extension in earlier language modes, so we
// also define the macro.
// We provide those C++2b features as extensions in earlier language modes, so
// we also define their feature test macros.
if (LangOpts.CPlusPlus11)
Builder.defineMacro("__cpp_static_call_operator", "202207L");
Builder.defineMacro("__cpp_named_character_escapes", "202207L");
if (LangOpts.Char8)
Builder.defineMacro("__cpp_char8_t", "201811L");

2
clang/test/Lexer/cxx-features.cpp
View File

@ -51,7 +51,7 @@
#error "wrong value for __cpp_static_call_operator"
#endif
#if check(named_character_escapes, 0, 0, 0, 0, 0, 0)
#if check(named_character_escapes, 202207, 202207, 202207, 202207, 202207, 202207)
#error "wrong value for __cpp_named_character_escapes"
#endif