Reapply "[compiler-rt][XRay] Make xray_interface.h C compliant"#141728

sebastiankreutzer merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

Thyre:139902-xray-interface-h-not-c-compliantThyre/llvm-project:139902-xray-interface-h-not-c-compliantCopy head branch name to clipboard