1; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s 2 3; Check the error message on using ", ..." when we can't actually forward 4; varargs. 5 6%struct.A = type { i32 } 7 8declare ptr @f(ptr, ...) 9 10define ptr @f_thunk(ptr %this) { 11 %rv = musttail call ptr (ptr, ...) @f(ptr %this, ...) 12; CHECK: error: unexpected ellipsis in argument list for musttail call in non-varargs function 13 ret ptr %rv 14} 15