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