[patch, fortran] Fix PR 66111

[Thomas Koenig]

Hello world,

this patch fixes a regression from the inline matmul patch by
not inlining a case that is not yet handled, namely vector
subscripts.

Regression-tested.  OK for trunk?

Regards

	Thomas

2015-05-12  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/66111
        * frontend-passes.c (has_dimen_vector_ref):  New function.
        (inline_matmul_assign):  Use it to return early in case
        of unhandled vector subscripts.

2015-05-12  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/66111
        * gfortran.dg/inline_matmul_10.f90:  New test.
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