gcc/testsuite/gcc.dg/torture/pr53390.c

/* { dg-do compile } */

extern unsigned short var1;
extern int var2;

extern struct {
  int f1;
  unsigned short *f2;
} *my_table;

void foo(void)
{
  unsigned short *local_vec
    = __builtin_malloc(var1 * var2 * sizeof(unsigned short));
  unsigned short i;

  my_table[0].f2 = __builtin_malloc(var1 * sizeof(unsigned short));

  for (i = 0; i < var1; ++i)
    my_table[0].f2[i] = local_vec[i * var2];
}