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comparison gcc/testsuite/g++.dg/lto/alias-4_0.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 /* { dg-lto-do run } */
2 /* { dg-lto-options { { -O3 -flto -fno-early-inlining } } } */
3 __attribute__ ((used))
4 short *ptr_init, **ptr=&ptr_init;
5
6 __attribute__ ((used))
7 struct a {
8 int *aptr;
9 } a, *aptr=&a;
10
11 void
12 write_ptr ()
13 {
14 *aptr = a;
15 }
16
17 __attribute__ ((used))
18 void
19 test ()
20 {
21 *ptr = (short int *)0;
22 write_ptr ();
23 if (!__builtin_constant_p (*ptr == (void *)0))
24 __builtin_abort ();
25 }
26 int
27 main()
28 {
29 test ();
30 return 0;
31 }