[Bug symtab/7259] GDB truncates 64 bit enums.

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http://sourceware.org/bugzilla/show_bug.cgi?id=7259

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0809504b5eca5e73ad721919b6b13d941ffd0a30

commit 0809504b5eca5e73ad721919b6b13d941ffd0a30
Author: Joel Brobecker <brobecker@adacore.com>
Date:   Mon Dec 23 11:15:42 2013 +0400

    Fix gdb.Field attributes documentation for enum types.

    The following patch ...

        | commit 14e75d8ea4fe9ed4dbf292ae4a9745e33e2ff353
        | Date:   Wed Apr 18 06:46:47 2012 +0000
        |
        |     gdb/
        |         PR symtab/7259:
        | [...]

    ... discussed under ...

        [PATCH] Allow 64-bit enum values
        http://www.sourceware.org/ml/gdb-patches/2012-03/msg00772.html

    ... introduced a change in the gdb.Fields API without documenting it:

        | I took a separate approach from the one I took in:
        |
        | http://sourceware.org/ml/gdb-patches/2012-02/msg00403.html
        |
        | and removed the overloaded meaning of the bitpos location variable to
        | fix PR symtab/7259. In the following patch, I introduce a separate
        | field_location union member 'enumval' which can accept LONGEST and
        | hence expand enum values to 64-bit signed values. With this change,
        | bitpos now only is used for (non-negative) offsets into structures,
        | since the other overload of bitpos (range bounds) were already
        | separated into struct range_bound.

    This patch updates the documentation to reflect that change.

    gdb/doc/ChangeLog:

            * gdb.texinfo (Types In Python): Fix the documentation of
            attribute "bitpos" in class gdb.Field for enum types.  Add
            documentation for attribute "enumval" in that same class.

-----------------------------------------------------------------------

Summary of changes:
 gdb/doc/ChangeLog   |    6 ++++++
 gdb/doc/gdb.texinfo |   11 +++++++----
 2 files changed, 13 insertions(+), 4 deletions(-)

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