[libcxx-commits] [libcxx] [libc++] Add build flags to optimize <format> and <charconv> for code size. (PR #98003)

[Robbie Litchfield via libcxx-commits]

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@@ -274,6 +274,7 @@ _LIBCPP_CONSTEXPR_SINCE_CXX23 _LIBCPP_HIDE_FROM_ABI int __to_chars_integral_widt
 template <typename _Tp>
 inline _LIBCPP_CONSTEXPR_SINCE_CXX23 _LIBCPP_HIDE_FROM_ABI to_chars_result
 __to_chars_integral(char* __first, char* __last, _Tp __value, int __base, false_type) {
+# ifndef _LIBCPP_CHARCONV_OPTIMIZE_SIZE
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BlamKiwi wrote:

Most compilers have a preprocessor define when targeting `-Os`. Would you prefer that was used? 

https://github.com/llvm/llvm-project/pull/98003