rtx op0 = gen_reg_rtx (V4SFmode);

  emit_move_insn (operands[0], lowpart_subreg (V2SFmode, op0, V4SFmode));

// PR target/103842

// { dg-do compile }

// { dg-options "-O3 -std=c++14" }

void foo (float *);

struct M {

  float x[3][3];

  float *operator[](int i) { return x[i]; }

  M();

  M(float f, float g) {

    x[1][0] = x[1][1] = x[1][2] = f;

    x[2][0] = g;

  }

  void bar();

  M baz() {

    M s(x[1][2] - x[1][2], x[1][1] - x[1][1]);

    float r = s[2][0];

    if (r)

      for (int i = 0; i < 3; ++i)

	for (int j = 0; j < 3; ++j)

	  s[i][j] /= r;

    for (int i = 0;;) {

      float *t = s[i];

      foo(t);

    }

  }

};

void qux() {

  M m, i = m.baz(), j = i;

  j.bar();

}