`gnu_get_libc_version` unlike `confstr` is not intercepted. We should be able to use this function earier. Looks like we use `confstr` staring from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60038 but there is no specific reason to refer it over `gnu_get_libc_version`.
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================