[Bug rust/22236] string slices print too much

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22236

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom Tromey <tromey@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=45320ffa0450b27e232d933d2a1c6a09d94ac18b

commit 45320ffa0450b27e232d933d2a1c6a09d94ac18b
Author: Tom Tromey <tom@tromey.com>
Date:   Mon Oct 2 13:55:42 2017 -0600

    Fix &str printing in Rust

    Printing a string slice ("&str") in Rust would print until the
    terminating \0; but that is incorrect because a slice has a length.
    This fixes &str printing, and arranges to preserve the type name when
    slicing a slice, so that printing a slice of an "&str" works as well.

    This is PR rust/22236.

    2017-10-02  Tom Tromey  <tom@tromey.com>

        PR rust/22236:
        * rust-lang.c (rust_val_print_str): New function.
        (val_print_struct): Call it.
        (rust_subscript): Preserve name of slice type.

    2017-10-02  Tom Tromey  <tom@tromey.com>

        PR rust/22236:
        * gdb.rust/simple.rs (main): New variable "fslice".
        * gdb.rust/simple.exp: Add slice tests.  Update string tests.

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