[Bug target/118945] RISC-V: VSETL pass: Don't promote Vectors ops from Tail agnostic to Tail Undisturbed

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118945

--- Comment #16 from Andreas Schwab <schwab@linux-m68k.org> ---
../../gcc/config/riscv/riscv.cc:760:1: error: missing initializer for member
'riscv_tune_param::prefer_agnostic' [-Werror=missing-field-initializers]
  760 | };
      | ^
cc1plus: all warnings being treated as errors
make[3]: *** [Makefile:2787: riscv.o] Error 1