/* PR tree-optimization/53366 */ /* { dg-do run } */ extern void abort (void); struct T { float r[3], i[3]; }; struct U { struct T j[2]; }; void __attribute__ ((noinline)) foo (struct U *__restrict y, const float _Complex *__restrict x) { int i, j; for (j = 0; j < 2; ++j) { float a = __real__ x[j]; float b = __imag__ x[j]; float c = __real__ x[j + 2]; float d = __imag__ x[j + 2]; for (i = 0; i < 3; ++i) { y->j[j].r[i] = y->j[j].r[i] + a + c; y->j[j].i[i] = y->j[j].i[i] + b + d; } } } _Complex float x[4]; struct U y; int main () { int i, j; for (i = 0; i < 4; ++i) x[i] = i + 1.0iF * (2 * i); foo (&y, x); for (j = 0; j < 2; ++j) for (i = 0; i < 3; ++i) if (y.j[j].r[i] != __real__ (x[j] + x[j + 2]) || y.j[j].i[i] != __imag__ (x[j] + x[j + 2])) __builtin_abort (); return 0; }