CONFIG_ARCH_SUPPORTS_LTO_CLANG (not configurable)

configname: CONFIG_ARCH_SUPPORTS_LTO_CLANG

Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_SUPPORTS_LTO_CLANG
In linux kernel since version 5.2 (release Date: 2019-07-07)  
An architecture should select this option if it supports:
- compiling with Clang,
- compiling inline assembly with Clang's integrated assembler,
- and linking with LLD.