Unreviewed patches

[David Edelsohn]

Don't copy-prop into middle of libcalls
http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00765.html

Apply adjust_priority to all insns
http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00520.html

GCSE redundant load after store
http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00514.html

Stabs example
http://gcc.gnu.org/ml/gcc-patches/2003-07/msg02807.html

C++ friend improvements
http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00783.html

Loop ivs
http://gcc.gnu.org/ml/gcc-patches/2003-07/msg01174.html