Trunk merged into fortran-exp branch

[Dominique Dhumieres]

Jerry,

> After some fixing of conflicts due to the new style of constructors
> I have successfully merged trunk into fortran-exp branch.

Bootstapping fortran-dev at revision 156232 failed with:

...
cc1: warnings being treated as errors
../../cons_clean/gcc/fortran/symbol.c: In function 'gen_special_c_interop_ptr':
../../cons_clean/gcc/fortran/symbol.c:3690:3: error: passing argument 1 of 'gfc_constructor_append_expr' from incompatible pointer type
../../cons_clean/gcc/fortran/constructor.h:46:18: note: expected 'struct splay_tree_s **' but argument is of type 'struct gfc_constructor **'
make[3]: *** [fortran/symbol.o] Error 1
...

TIA

Dominique