File: id-pr43464-1.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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typedef struct regnode
{
  char flags;
} regnode;
extern const unsigned char A[];
int bar (regnode *);

char *foo (regnode *c, char *s, int norun)
{
  int uskip;
  while (s + (uskip = A[*s]))
    {
      if ((c->flags || bar (c)) && norun)
	goto got_it;
      s += uskip;
    }
 got_it:
  return s;
}