1  /* { dg-do compile } */
       2  /* { dg-options "-march=rv32i -march=rv32im_sx_unexpectedstring -mabi=ilp32" } */
       3  int foo()
       4  {
       5  }
       6  /* { dg-error "unexpected ISA string at end:" "" { target { "riscv*-*-*" } } 0 } */