re PR fortran/22572 (Double occurrence of matmul intrinsic not optimised)

re PR fortran/22572 (Double occurrence of matmul intrinsic not optimised)

2011-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/22572
	* frontend-passes.c (cfe_register_funcs):  Also register functions
	for potential elimination if the rank is > 0, the shape is unknown
	and reallocate on assignment is active.
	(create_var):  For rank > 0 functions with unknown shape, create
	an allocatable temporary.

2011-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/22572
	* function_optimize_7.f90:  New test case.

From-SVN: r173752