================
@@ -5,6 +5,17 @@
// RUN: %clang_cc1 -std=c++11
-verify=expected,cxx98-14,cxx98-17,cxx98-20,cxx11-14,since-cxx11 -triple
%itanium_abi_triple %s -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++98
-verify=expected,cxx98-14,cxx98-17,cxx98-20,cxx98 -triple %itanium_abi_triple
%s -fexceptions -fcxx-exceptions -pedantic-errors
+#if __cplusplus == 199711L
+#define static_assert(...) __extension__ _Static_assert(__VA_ARGS__)
+// cxx98-error@-1 {{variadic macros are a C99 feature}}
+#endif
+
+#if __cplusplus == 199711L
+#define __enable_constant_folding(x) (__builtin_constant_p(x) ? (x) : (x))
+#else
+#define __enable_constant_folding
+#endif
----------------
Endilll wrote:
You're correct that having a very thin standard/backporting library would be
beneficial. There have been efforts last year to improve testing
infrastructure, and this particular detail was a part of the plan, but those
efforts have been stalled for months. I'd keep things as-is until the time
comes.
I've put up an RFC a year ago if you're interested in a context:
https://discourse.llvm.org/t/rfc-opt-in-way-to-make-verifydiagnosticconsumer-slightly-less-strict/70747
https://github.com/llvm/llvm-project/pull/88611
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