erichkeane added inline comments.
================
Comment at: lib/Lex/LiteralSupport.cpp:815
.Cases("il", "i", "if", true)
+ .Cases("d", "y", LangOpts.CPlusPlus2a)
.Default(false);
----------------
aaron.ballman wrote:
> Is it possible for the library to expose those outside of C++2a mode? We pass
> `true` for the C++14 cases, so I'm wondering about tying it to C++2a
> explicitly.
In the C++14 cases, we return true because we've checked C++14 mode on line
805. I was hoping to do that for consistencies sake. Depending on your
opinion, bringing 805 down to 812/813/814 (checking inline) might be a good
idea.
According to the tests, 'sv' (string view) was the only one for C++17, but it
wasn't really necessary to check here since it is only allowed on strings and
not on integer literals.
================
Comment at: test/SemaCXX/cxx2a-user-defined-literals.cpp:1
+// RUN: %clang_cc1 -std=c++2a %s -include %s -verify
+
----------------
aaron.ballman wrote:
> Can you drop the svn properties, please?
Yep, will do :)
================
Comment at: test/SemaCXX/cxx2a-user-defined-literals.cpp:12
+ }
+ using size_t = decltype(sizeof(0));
+ constexpr chrono::day operator"" d(unsigned long long d) noexcept;
----------------
aaron.ballman wrote:
> Is this needed?
It is, in fact, not required.
https://reviews.llvm.org/D49504
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