[libcxx-commits] [libcxx] [libc++] <experimental/simd> Add ++/-- operators for simd reference (PR #88091)

[Nikolas Klauser via libcxx-commits]

================
@@ -60,6 +61,32 @@ class __simd_reference {
     return {__s_, __idx_};
   }
 
+  template <class _Up = value_type, class = decltype(std::declval<_Up>() + _Up{1})>
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philnik777 wrote:

```suggestion
  template <class _Up = value_type, class = decltype(std::declval<_Up>()++)>
```
Otherwise floating point types would have a `++`. Please add a test to make sure that's not the case.

https://github.com/llvm/llvm-project/pull/88091