[libcxx-commits] [libcxx] [libc++] std::abs support for _BitInt(N) and __int128 (PR #196532)

[Xavier Roche via libcxx-commits]

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@@ -37,6 +37,68 @@ void test_big() {
   assert(std::abs(negative_big_value) == big_value); // make sure it doesn't get casted to a smaller type
 }
 
+// std::abs has __int128/_BitInt(N) overloads as a libc++ extension. The SFINAE
+// probes below need C++17+ (variable templates, decltype-SFINAE).
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xroche wrote:

Done!

https://github.com/llvm/llvm-project/pull/196532