[tree-ssa] Mainline merge plan

[law@redhat.com]

In message <1077714679.16194.189.camel@localhost.localdomain>, Diego Novillo wr
ites:
 >> The ARM compiler doesn't build at all -- RTH's change to nested function 
 >> support has left arm.c uncompilable -- the changes are (I think) pretty 
 >> trivial, but there are so many other problems at this time that I can't 
 >> even test what I think is the right change.  That patch broke *at least* 
 >> two back ends.
 >> 
 >I believe these are similar to the H8 breakage that Kazu fixed
 >yesterday.  Is this what you're referring to?
 >http://gcc.gnu.org/ml/gcc-patches/2004-02/msg02311.html
 >
 >> The fortran compiler doesn't run on the systems I have -- see the GMP 
 >> thread above.
 >> 
 >OK.  We'll have to figure out what to do with GMP.  I also believe that
 >pulling it in GCC's tree may be the better solution.  Toon?  Paul?
I'm not sure if it's really that advisable to pull in GMP.  Rather I
think that having g95 self-disable if a suitable GMP is not found is
a cleaner solution for now.

jeff