[Bug rtl-optimization/25654] [4.0/4.1/4.2 Regression] RTL alias analysis unprepared to handle stack slot sharing

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2006-01-13 22:11 -------
Like consider the case of

void foo(void)
{
 struct A { union U u; } a; struct B { union U u; } b;

}

with a same-type union wrapped in different structs.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25654