1; The assembler should catch an undefined argument type . 2; RUN: not llvm-as %s -o /dev/null 2>&1 | grep "use of undefined type named 'typedef.bc_struct'" 3 4; %typedef.bc_struct = type opaque 5 6 7define i1 @someFunc(i32* %tmp.71.reload, %typedef.bc_struct* %n1) { 8 ret i1 true 9} 10