gcc/testsuite/gcc.c-torture/compile/pr37380.c

   1 typedef struct basic_block_def *basic_block;
   2 typedef struct gimple_seq_node_d *gimple_seq_node;
   3 typedef struct gimple_seq_d *gimple_seq;
   4 typedef struct
   5 {
   6   gimple_seq_node ptr;
   7   gimple_seq seq;
   8   basic_block bb;
   9 } gimple_stmt_iterator;
  10 typedef void *gimple;
  11 extern void exit(int);
  12 struct gimple_seq_node_d
  13 {
  14   gimple stmt;
  15   struct gimple_seq_node_d *next;
  16 };
  17 struct gimple_seq_d
  18 {
  19 };
  20 static __inline__ gimple_stmt_iterator
  21 gsi_start (gimple_seq seq)
  22 {
  23   gimple_stmt_iterator i;
  24   i.seq = seq;
  25   return i;
  26 }
  27 static __inline__ unsigned char
  28 gsi_end_p (gimple_stmt_iterator i)
  29 {
  30   return i.ptr == ((void *)0);
  31 }
  32 static __inline__ void
  33 gsi_next (gimple_stmt_iterator *i)
  34 {
  35   i->ptr = i->ptr->next;
  36 }
  37 static __inline__ gimple
  38 gsi_stmt (gimple_stmt_iterator i)
  39 {
  40   return i.ptr->stmt;
  41 }
  42 void
  43 c_warn_unused_result (gimple_seq seq)
  44 {
  45   gimple_stmt_iterator i;
  46   for (i = gsi_start (seq); !gsi_end_p (i); gsi_next (&i))
  47     {
  48       gimple g = gsi_stmt (i);
  49       if (!g) exit(0);
  50     }
  51 }