[libcxx-commits] [libcxx] [RFC][libc++] Fixes valarray proxy type operations. (PR #76528)

[Mark de Wever via libcxx-commits]

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@@ -819,6 +819,19 @@ public:
   _LIBCPP_HIDE_FROM_ABI valarray& operator<<=(const value_type& __x);
   _LIBCPP_HIDE_FROM_ABI valarray& operator>>=(const value_type& __x);
 
+  // The valarray overloads are needed for the types with an implicit
+  // conversion to valarray. For example slice_array.
+  _LIBCPP_HIDE_FROM_ABI valarray& operator*=(const valarray& __v) { return operator*= <valarray>(__v); }
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mordante wrote:

@ldionne There are a lot more functions to convert and a lot more tests to write. I like to discuss this approach before doing that work. It's the intention to do everything in one patch.

https://github.com/llvm/llvm-project/pull/76528