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re PR ipa/64282 (ICE in gimple_get_virt_method_for_vtable, at gimple-fold.c:5635)

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PR ipa/64282
	* gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert
	on vtable being vtable.
	* g++.dg/torture/pr64282.C: New testcase.

From-SVN: r220177
This commit is contained in:
Jan Hubicka 2015-01-27 17:59:31 +01:00 committed by Jan Hubicka
parent e24ca886a8
commit b833dedd61
4 changed files with 112 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-01-27 Jan Hubicka <hubicka@ucw.cz>
PR ipa/64282
* gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert
on vtable being vtable.
2015-01-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
* doc/extend.texi: s/390: Update documentation of hotpatch attribute.

1
gcc/gimple-fold.c
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@ -5649,7 +5649,6 @@ gimple_get_virt_method_for_vtable (HOST_WIDE_INT token,
if (TREE_CODE (v) != VAR_DECL
|| !DECL_VIRTUAL_P (v))
{
gcc_assert (in_lto_p);
/* Pass down that we lost track of the target. */
if (can_refer)
*can_refer = false;

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2015-01-27 Jan Hubicka <hubicka@ucw.cz>
PR ipa/64282
* g++.dg/torture/pr64282.C: New testcase.
2015-01-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* gcc.target/aarch64/store-pair-1.c: Update scan-assembler to check

101
gcc/testsuite/g++.dg/torture/pr64282.C Normal file
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@ -0,0 +1,101 @@
// { dg-do compile }
template <class _T1> struct A
{
_T1 first;
};
struct B
{
int operator!=(B);
};
template <typename _Tp> struct C
{
C (B);
_Tp operator*();
int operator!=(C);
};
template <typename _Tp> class D
{
public:
typedef C<_Tp> const_iterator;
const_iterator m_fn1 () const;
B m_fn2 ();
void m_fn3 ();
};
class F
{
struct G
{
static G &
m_fn5 ()
{
void fn1 ();
return *reinterpret_cast<G *> (fn1);
}
int *
m_fn6 ()
{
return reinterpret_cast<int *> (this);
}
};
struct _Alloc_hider
{
_Alloc_hider (int *p1, int) : _M_p (p1) {}
int *_M_p;
} _M_dataplus;
G &
m_fn4 ()
{
return G::m_fn5 ();
}
public:
F () : _M_dataplus (m_fn4 ().m_fn6 (), 0) {}
};
class H
{
void m_fn7 (const F &, bool &);
bool m_fn8 (const D<F> &, const F &, F &);
};
typedef A<int> CandPair;
class I
{
public:
virtual void m_fn9 (const F &, bool, D<CandPair> &);
};
class J : I
{
public:
void m_fn9 (const F &, bool, D<CandPair> &);
};
D<I *> c;
void
J::m_fn9 (const F &, bool, D<CandPair> &)
{
D<int> a;
for (B b; b != a.m_fn2 ();)
;
}
inline void
fn2 (F p1, int, int, J *p4, D<CandPair>)
{
D<CandPair> d;
d.m_fn3 ();
p4->m_fn9 (p1, 0, d);
for (D<I *>::const_iterator e = c.m_fn1 (); e != c.m_fn2 ();)
(*e)->m_fn9 (p1, 0, d);
}
void
H::m_fn7 (const F &, bool &)
{
A<F> f;
D<F> g;
F h;
m_fn8 (g, f.first, h);
}
bool
H::m_fn8 (const D<F> &p1, const F &, F &)
{
F i;
p1.m_fn1 ();
D<CandPair> j;
fn2 (i, 0, 0, 0, j);
}