[Bug ipa/63470] [5 Regression] lto1: internal compiler error: in estimate_edge_growth, at ipa-inline.h:308

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63470

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-11-18
                 CC|                            |trippels at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 test % cat test.ii
class A
{
public:
  virtual bool m_fn1 ();
  virtual const char **m_fn2 (int);
  virtual int m_fn3 ();
};
class FTjackSupport : A
{
  ~FTjackSupport ();
  bool m_fn1 ();
  bool m_fn4 ();
  const char **
  m_fn2 (int)
  {
  }
  int _inited;
  int *_jackClient;
  int _activePathCount;
}

* a;
void fn1 (...);
void fn2 (void *);
int fn3 (int *);
FTjackSupport::~FTjackSupport () { m_fn4 (); }

bool
FTjackSupport::m_fn1 ()
{
  if (!_jackClient)
    return 0;
  for (int i=0; _activePathCount; ++i)
    if (m_fn2 (i))
      fn2 (a);
  if (m_fn3 ())
    fn2 (a);
  if (fn3 (_jackClient))
    fn1 (0);
}

bool
FTjackSupport::m_fn4 ()
{
  if (_inited && _jackClient)
    {
      m_fn1 ();
      return 0;
    }
}

markus@x4 test % g++ -c -O2 -finline-functions test.ii
test.ii:50:1: internal compiler error: in estimate_edge_growth, at
ipa-inline.h:300
 }
 ^
0xb6e70d estimate_edge_growth
        ../../gcc/gcc/ipa-inline.h:299
0xb6e70d estimate_size_after_inlining(cgraph_node*, cgraph_edge*)
        ../../gcc/gcc/ipa-inline-analysis.c:3835
0x1354db4 caller_growth_limits
        ../../gcc/gcc/ipa-inline.c:201
0x1354db4 can_inline_edge_p
        ../../gcc/gcc/ipa-inline.c:371
0x1356fa2 update_callee_keys
        ../../gcc/gcc/ipa-inline.c:1252
0x1358bfd inline_small_functions
        ../../gcc/gcc/ipa-inline.c:1834
0x1358bfd ipa_inline
        ../../gcc/gcc/ipa-inline.c:2198
0x1358bfd execute
        ../../gcc/gcc/ipa-inline.c:2568
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