[Bug target/123969] [riscv64, xtheadvector] app built with gcc-15.2 crashes with SIGILL

[jpegqs at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123969

--- Comment #8 from Ilya Kurdyukov <jpegqs at gmail dot com> ---
And this one is even better because it reproduces in gсс-16:

#include <riscv_vector.h>

void test(int16_t *dst, long vl) {
  vuint16m1_t v6 = __riscv_vlse16_v_u16m1(dst, 0, vl);
  vfloat32m2_t s0 = __riscv_vfmv_v_f_f32m2(0, vl);
  __asm__ __volatile__ ("" :: "vr" (v6), "vr" (s0));
}