1  /* { dg-lto-do run } */
       2  /* { dg-lto-options { { -O0 -flto -fno-math-errno } } } */
       3  /* { dg-lto-options { "-O0 -flto -fno-math-errno -mfpu=neon-vfpv4" } { target arm*-*-* } } */
       4  /* { dg-require-effective-target arm_neon_ok_no_float_abi { target arm*-*-* } } */
       5  /* { dg-require-linker-plugin "" } */
       6  /* { dg-require-effective-target sqrt_insn } */
       7  
       8  /* We require a linker plugin because otherwise we'd need to link
       9     against libm which we are not sure here has cabs on all targets.
      10     This is because collect2 invokes ld on the -O0 object code
      11     which does not have folded cabs.  */
      12  
      13  double cabs(_Complex double);
      14  double __attribute__((used)) __attribute__ ((optimize ("O2,fast-math")))
      15  foo (_Complex double x, int b)
      16  {
      17    if (b)
      18      x = 0;
      19    return cabs(x);
      20  }
      21  
      22  int main() { return 0; }