[Bug tree-optimization/26400] Missed jump threading on the tree level

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2006-02-21 18:06 -------
This comes from std::vector<_Tp, _Alloc>::_M_insert_aux.
Another example from the same function:
<L15>:;
  if (__position$_M_current != &__x_copy) goto <L20>; else goto <L9>;

<L20>:;
  if (&__position$_M_current->engine_m != &__x_copy.engine_m) goto <L22>; else
goto <L9>;


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26400