[Bug tree-optimization/26771] New: [4.2 regression] ICE with -fmudflap

[reichelt at gcc dot gnu dot org]

The following code snippet causes an ICE on mainline when compiled with
"-fmudflap -O2":

===========================================================
extern "C"
{
  extern void __mf_unregister (void*, __SIZE_TYPE__, int) throw();
}

struct A
{
  int i;
  A(int& j) : i(j) { }
};

struct B
{
  B(const B&);
};

struct C
{
  B b;
  int i;
  void foo(int, B) {}
  ~C() { foo(i, b); }
};

struct D
{
  C* p;
  ~D() { delete p; }
};

struct E
{
  B b;
  int i;
  void bar(A);
  void baz(D) { bar(A(i)); }
};

int f0(char*&);

inline bool f1(char* p, char* q, int)
{
  return p ? p : q;
}

inline bool f2(char* p)
{
  return f1(p, 0, f0(p));
}

void f2(E e)
{
  if (f2(0)) e.baz(D());
}
===========================================================


-- 
           Summary: [4.2 regression] ICE with -fmudflap
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26771