Apply noreturn and nounwind LLVM attributes to callsites
Apply noreturn and nounwind LLVM attributes to callsites

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust