re PR fortran/62044 (ICE in USE statement with RENAME for extended derived type)

re PR fortran/62044 (ICE in USE statement with RENAME for extended derived type)

fortran/
	PR fortran/62044
	* decl.c (gfc_match_derived_decl): Don't insert a new symtree element.
	* module.c (MOD_VERSION): Bump.
	(write_module): Don't write list of extensions.
	(read_module): Don't jump over list of extensions;
	don't load list of extensions.
	(load_derived_extensions, write_dt_extensions,
	 write_derived_extensions): Remove.

testsuite/
	PR fortran/62044
	* gfortran.dg/use_rename_7.f90: New.

From-SVN: r220097