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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-ccp1" } */
int foo(void)
{
int i = 0;
char *p = (char *)&i;
return *(int *)p;
}
struct Foo {
int i;
} f;
int bar(void)
{
char *p = (char *)&f;
return ((struct Foo *)p)->i;
}
extern const struct Foo g;
int foobar(void)
{
struct Foo *p = (struct Foo *)&g;
return ((const struct Foo *)p)->i;
}
/* { dg-final { scan-tree-dump "= i;" "ccp1" } } */
/* { dg-final { scan-tree-dump "= f.i;" "ccp1" } } */
/* { dg-final { scan-tree-dump "= g.i;" "ccp1" } } */
/* { dg-final { cleanup-tree-dump "ccp1" } } */
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