Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/torture/pr93946-2.c @ 152:2b5abeee2509

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
parents
children
comparison
equal deleted inserted replaced
145:1830386684a0 152:2b5abeee2509
1 /* { dg-do run } */
2 /* { dg-additional-options "-fno-tree-dse" } */
3
4 union U { long long i; long f; };
5 struct a {union U u;};
6 struct aa {struct a a;};
7 struct b {union U u;};
8 struct bb {struct b b;};
9
10 long __attribute__((noipa))
11 foo (struct bb *bv, void *ptr)
12 {
13 struct aa *a = ptr;
14 struct bb *b = ptr;
15 bv->b.u.f = 1;
16 a->a.u.i = 0;
17 b->b.u.f = 0;
18 return bv->b.u.f;
19 }
20
21 int
22 main ()
23 {
24 union C {struct aa aa; struct bb bb;} v;
25 if (foo (&v.bb, &v) != 0)
26 __builtin_abort ();
27 return 0;
28 }