[Bug middle-end/61654] [4.9/4.10 Regression] ICE in release_function_body, at cgraph.c:1699

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61654

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-06-30
          Component|c++                         |middle-end
                 CC|                            |trippels at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|[4.9.1] ICE in              |[4.9/4.10 Regression] ICE
                   |release_function_body, at   |in release_function_body,
                   |cgraph.c:1699               |at cgraph.c:1699
   Target Milestone|---                         |4.9.1
      Known to fail|                            |4.10.0

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat font.ii
class A
{
  virtual int m_fn1 (int, int = 0) = 0;
  int m_fn2 (const int &);
  int _nPrior;
};
class B : virtual A
{
  int _lDefault;
  int m_fn1 (int, int);
};
int A::m_fn2 (const int &) { return m_fn1 ('\0'); }

int B::m_fn1 (int, int) { return 0 ?: _lDefault; }


markus@x4 tmp % g++ -m32 -c -O3 font.ii
font.ii: In function ‘<built-in>’:
font.ii:14:50: internal compiler error: in release_function_body, at
cgraph.c:1691
 int B::m_fn1 (int, int) { return 0 ?: _lDefault; }
                                                  ^
0x841577 release_function_body(tree_node*)
        ../../gcc/gcc/cgraph.c:1691
0x841626 cgraph_release_function_body(cgraph_node*)
        ../../gcc/gcc/cgraph.c:1727
0x841aa6 cgraph_remove_node(cgraph_node*)
        ../../gcc/gcc/cgraph.c:1812
0xa1c3eb symtab_remove_unreachable_nodes(bool, _IO_FILE*)
        ../../gcc/gcc/ipa.c:463
0xace957 execute_todo
        ../../gcc/gcc/passes.c:1843
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.