re PR fortran/42769 ([OOP] ICE in resolve_typebound_procedure)
PR fortran/42769
PR fortran/45836
PR fortran/45900
* module.c (read_module): Don't reuse local symtree if the associated
symbol isn't exactly the one wanted. Don't reuse local symtree if it is
ambiguous.
* resolve.c (resolve_call): Use symtree's name instead of symbol's to
lookup the symtree.
PR fortran/42769
PR fortran/45836
PR fortran/45900
* gfortran.dg/use_23.f90: New test.
* gfortran.dg/use_24.f90: New test.
* gfortran.dg/use_25.f90: New test.
* gfortran.dg/use_26.f90: New test.
* gfortran.dg/use_27.f90: New test.