[libcxx-commits] [libcxx] [libcxx][locale] Refactor strtonum functions using __str_to_float_c_locale<FloatT> (PR #222081)

[via libcxx-commits]

================
@@ -307,17 +307,17 @@ _LIBCPP_HIDE_FROM_ABI _Tp __do_strtod(const char* __a, char** __p2);
 
 template <>
 inline _LIBCPP_HIDE_FROM_ABI float __do_strtod<float>(const char* __a, char** __p2) {
-  return __locale::__strtof(__a, __p2, _LIBCPP_GET_C_LOCALE);
+  return __locale::__str_to_float_c_locale<float>(__a, __p2, _LIBCPP_GET_C_LOCALE);
----------------
Himadhith wrote:

> I don't really see why that's not the case already. 

I checked and only windows does it by value. Also can I make the change in this PR or a separate NFC patch? 
Since we are making similar change it would make sense to keep it in the same PR. 

https://github.com/llvm/llvm-project/pull/222081