| // PR c++/26757 | |
| // { dg-do run } | |
| // { dg-options "-O" } | |
| extern "C" void abort (); | |
| typedef struct A | |
| { | |
| int c; | |
| int d; | |
| } A; | |
| A *b; | |
| void | |
| foo () | |
| { | |
| b->c++; | |
| extern A *b; | |
| b->d++; | |
| } | |
| void | |
| bar () | |
| { | |
| if (b->d) | |
| b->c++; | |
| } | |
| int | |
| main () | |
| { | |
| A a = { 0, 0 }; | |
| b = &a; | |
| foo (); | |
| bar (); | |
| if (b->c != 2) | |
| abort (); | |
| if (b->d != 1) | |
| abort (); | |
| return 0; | |
| } |