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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [tree-ssa/] [dom-invalid.C] - Rev 308
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// PR tree-optimization/39557
// invalid post-dom info leads to infinite loop
// { dg-do run }
// { dg-options "-Wall -fno-exceptions -O2 -fprofile-use -fno-rtti" }
struct C
{
virtual const char *bar () const;
};
struct D
{
D () : d1 (0) { }
C *d2[4];
int d1;
inline const C & baz (int i) const { return *d2[i]; }
};
struct E
{
unsigned char e1[2];
D e2;
bool foo () const { return (e1[1] & 1) != 0; }
virtual const char *bar () const __attribute__ ((noinline));
};
const char *
C::bar () const
{
return 0;
}
C c;
const char *
E::bar () const
{
const char *e = __null;
if (foo () && (e = c.C::bar ()))
return e;
for (int i = 0, n = e2.d1; i < n; i++)
if ((e = e2.baz (i).C::bar ()))
return e;
return e;
}
int
main ()
{
E e;
e.bar ();
} // { dg-message "note: file" "" }
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