forked from OSchip/llvm-project
9d432e0d14
Summary: In our codebase, `static_assert(std::some_type_trait<Ts...>::value, "msg")` (where `some_type_trait` is an std type_trait and `Ts...` is the appropriate template parameters) account for 11.2% of the `static_assert`s. In these cases, the `Ts` are typically not spelled out explicitly, e.g. `static_assert(std::is_same<SomeT::TypeT, typename SomeDependentT::value_type>::value, "message");` The diagnostic when the assert fails is typically not very useful, e.g. `static_assert failed due to requirement 'std::is_same<SomeT::TypeT, typename SomeDependentT::value_type>::value' "message"` This change makes the diagnostic spell out the types explicitly , e.g. `static_assert failed due to requirement 'std::is_same<int, float>::value' "message"` See tests for more examples. After this is submitted, I intend to handle `static_assert(!std::some_type_trait<Ts...>::value, "msg")`, which is another 6.6% of static_asserts. Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D54903 llvm-svn: 348239 |
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