[Bug ipa/64565] New: [5 Regression] ICE: in inline_small_functions, at ipa-inline.c:1664

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64565

            Bug ID: 64565
           Summary: [5 Regression] ICE: in inline_small_functions, at
                    ipa-inline.c:1664
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
                CC: hubicka at gcc dot gnu.org

Since r219452 I get:

trippels@gcc2-power8 places % cat nsNavHistoryResult.ii
typedef enum
{
  NS_OK
} nsresult;
struct A
{
  static int kIID;
};
class B
{
};
class C
{
public:
  C (B p1) { m_fn1 (p1, A::kIID); }
  void m_fn1 (B, int);
};
class D;
class F
{
public:
  F (int);
};
class G
{
public:
  D *operator[](int);
};
class H
{
  virtual nsresult m_fn2 ();

public:
  void m_fn3 ();
};
class J : H
{
  G mQueries;
  int mLiveUpdate;
  nsresult m_fn2 ();
};
class D
{
public:
  nsresult m_fn4 (int);
  void m_fn5 (int);
};
class I
{
public:
  static I *
  m_fn6 ()
  {
    B __trans_tmp_3;
    if (!gHistoryService)
      C serv = __trans_tmp_3;
  }
  void m_fn7 ();
  static I *gHistoryService;
};
D *Refresh___trans_tmp_2;
D Refresh___trans_tmp_6, Refresh___trans_tmp_5;
int Refresh_hasDomain;
nsresult
J::m_fn2 ()
{
  m_fn3 ();
  I history = *I::m_fn6 ();
  switch (mLiveUpdate)
    {
    case 1:
      {
        mQueries[0];
        F query = 0;
        if (Refresh_hasDomain)
          return NS_OK;
      }
    case 0:
      {
        Refresh___trans_tmp_2 = mQueries[0];
        F query = Refresh___trans_tmp_5.m_fn4 (0);
        history.m_fn7 ();
        Refresh___trans_tmp_6.m_fn5 (0);
      }
    case 3:
      m_fn2 ();
    }
}

trippels@gcc2-power8 places % c++ -c -O2 nsNavHistoryResult.ii
nsNavHistoryResult.ii:88:1: internal compiler error: in inline_small_functions,
at ipa-inline.c:1664
 }
 ^
0x1103ce83 inline_small_functions
        ../../gcc/gcc/ipa-inline.c:1664
0x1103ce83 ipa_inline
        ../../gcc/gcc/ipa-inline.c:2163
0x1103ce83 execute
        ../../gcc/gcc/ipa-inline.c:2536
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