[Bug tree-optimization/44861] New: internal compiler error: in vectorizable_load, at tree-vect-stmts.c:3812

["wouter dot vermaelen at scarlet dot be" <gcc-bugzilla at gcc dot gnu dot org>]

> cat bug.ii
bool f();

struct counted_base {
        virtual void destroy() { }
        void release() { if (f()) destroy(); }
};

struct shared_count {
        shared_count() { }
        ~shared_count() { if (pi) pi->release(); }
        shared_count(shared_count& r) : pi(r.pi) { if (pi) pi->release(); }
        counted_base* pi;
};

struct Foo;

struct shared_ptr  {
        Foo& operator*() { return *ptr; }
        Foo* ptr;
        shared_count refcount;
};

struct Bar {
        Bar(Foo&, shared_ptr);
};

void g() {
        shared_ptr foo;
        new Bar(*foo, foo);
}


> g++ -O2 -ftree-vectorize bug.ii
bug.ii: In function ?void g()?:
bug.ii:27:6: internal compiler error: in vectorizable_load, at
tree-vect-stmts.c:3812


I'm using SVN revision trunk@161911 on linux_x86_64.


-- 
           Summary: internal compiler error: in vectorizable_load, at tree-
                    vect-stmts.c:3812
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: wouter dot vermaelen at scarlet dot be


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44861