ipa/105598 - testcase for PR105598

2022-05-16  Richard Biener  <rguenther@suse.de>

gcc/testsuite/
	* gcc.dg/torture/pr105598.c: New testcase.

(cherry picked from commit 6230911cb9)
This commit is contained in:
Richard Biener 2022-05-16 11:21:06 +02:00
parent ad05a1d7f8
commit 9b5109971b
1 changed files with 32 additions and 0 deletions

View File

@ -0,0 +1,32 @@
/* { dg-do run } */
typedef struct { unsigned int num; } info_t;
typedef struct { unsigned int flag, type; } block_t;
info_t info;
block_t blocks[] = { {2,0}, {3,0}, {1,0}, {1,0} };
static block_t *
f (info_t *i, block_t *b)
{
while (1) {
unsigned int is_last = b->flag & 0x01;
i->num++;
if (b->flag & 0x02) {
if (b->type != 0x1) b->type = b->type;
b = f (i, b+1);
}
if (is_last)
break;
b++;
}
return b;
}
int
main ()
{
f(&info, &blocks[0]);
if (info.num != 4)
__builtin_abort ();
return 0;
}