[patch, fortran] Implement VOLATILE statement/attribute (PR 29601)

[Tobias Burnus]

Hi,

FX Coudert wrote:
> :REVIEWPATCH:
Thanks for the review.

> I can think of at least one thing you've missed: modules.
Ups. I added it now to module.c and I also added another test case for
modules.

> Also, making grep-ing TARGET in gcc/fortran/ to make sure there's
> nothing else you and I are forgetting would be nice.
I did not find another place either, not that this proves anything.

Tobias

fortran/
2006-11-06  Tobias Burnus  <burnus@net-b.de>

    fortran/29601
    * symbol.c (check_conflict, gfc_add_volatile): Add volatile support.
    * decl.c (match_attr_spec, gfc_match_volatile): Add volatile support.
    * gfortran.h (symbol_attribute): Add volatile_ to struct.
    * resolve.c (was_declared): Add volatile support.
    * trans-decl.c (gfc_finish_var_decl): Add volatile support.
    * match.h: Declare gfc_match_volatile.
    * parse.c (decode_statement): Recognize volatile.
    * modules.c (ab_attribute, attr_bits, mio_symbol_attribute):
      Add volatile support.


testsuite/
2006-11-06  Tobias Burnus  <burnus@net-b.de>

    fortran/29601
    * volatile.f90: Add.
    * volatile2.f90: Add.
    * volatile3.f90: Add.
    * volatile4.f90: Add.
    * volatile5.f90: Add.

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