; RUN: llvm-as %s -o - | llvm-dis > %t1.ll ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll ; RUN: diff %t1.ll %t2.ll implementation declare void %bar() int %foo() { ;; Calling this function has undefined behavior unreachable } double %xyz() { call void %bar() unreachable ;; Bar must not return. }