gcc/testsuite/gcc.dg/ipa/pr55260.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-inline -fipa-cp-clone"  } */
   3
   4 typedef struct {
   5   int *ptr;
   6   int len;
   7 } string;
   8 typedef struct {
   9   string nantstr;
  10   int *nant;
  11 } malv;
  12 typedef struct {
  13   int *nor;
  14 } list_heads;
  15 int b;
  16 list_heads *fn1(string, int *, unsigned);
  17 void fn2(malv *p1, list_heads *p2, unsigned p3) {
  18   string a = p1->nantstr;
  19   fn1(a, p1->nant, p3);
  20 }
  21
  22 void fn3(unsigned p1) { fn2(0, 0, p1); }
  23
  24 list_heads *fn1(string p1, int *p2, unsigned p3) {
  25   while (1) {
  26     if (p3)
  27       fn3(1);
  28     if (b)
  29       return 0;
  30     fn3(1);
  31   }
  32 }
  33
  34 void fn5() {
  35   list_heads c;
  36   c.nor = 0;
  37   fn2(0, &c, 1);
  38 }