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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