File: pta-fp.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do compile } */ 
/* { dg-options "-O2 -fdump-tree-alias" } */
extern double cos (double);
extern double sin (double);
double f(double a)
{
  double b;
  double c,d;
  double (*fp) (double);
  if (a < 2.0)
    {
      fp = sin;
      c = fp (a);
    }
  else
    {
      c = 1.0; 
      fp = cos;
    }
  d = fp (a);
  return d + c;
}
/* The points-to set of the final function pointer should be "sin cos" */

/* { dg-final { scan-tree-dump-times "{ sin cos }" 1 "alias"} } */