gcc-4.9/gcc/testsuite/gcc.dg/torture/pr39903-2.c


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/* PR target/39903 */
/* { dg-do run } */
/* { dg-options "-Wno-psabi" } */

struct X {
  float d;
  float b[];
};

struct X __attribute__((noinline))
foo (float d)
{
  struct X x;
  x.d = d;
  return x;
}
extern void abort (void);
int main()
{
  struct X x = foo(3.0);
  if (x.d != 3.0)
    abort ();
  return 0;
}