[Patch,Fortran,Committed] PR29962 - more simplifiers for transformational intrinsics

[Tobias Burnus]

And the next merge from Fortran-dev. Original patch:
 http://gcc.gnu.org/ml/fortran/2009-04/msg00001.html
 http://gcc.gnu.org/viewcvs?view=rev&revision=145573

Built, regtested and checked in on x86-64-linux:

Sending        gcc/fortran/ChangeLog
Sending        gcc/fortran/check.c
Sending        gcc/fortran/expr.c
Sending        gcc/fortran/intrinsic.c
Sending        gcc/fortran/intrinsic.h
Sending        gcc/fortran/simplify.c
Sending        gcc/testsuite/ChangeLog
Adding         gcc/testsuite/gfortran.dg/count_init_expr.f03
Adding         gcc/testsuite/gfortran.dg/product_init_expr.f03
Adding         gcc/testsuite/gfortran.dg/sum_init_expr.f03
Transmitting file data ..........
Committed revision 148249.

Tobias 
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