[binutils-gdb] Remove some dead code from the Rust value printer

[Tom Tromey <tromey@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=925ea601f1892c6eb344e2c916f0ef448b42b606

commit 925ea601f1892c6eb344e2c916f0ef448b42b606
Author: Tom Tromey <tom@tromey.com>
Date:   Fri Mar 25 13:43:27 2022 -0600

    Remove some dead code from the Rust value printer
    
    This removes a bit of dead code from the Rust value printer.  This
    code wasn't always dead -- it fixed a real bug, and a test case was
    added for it.  However, once val_print was removed, it became
    unnecessary.

Diff:
---
 gdb/rust-lang.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/gdb/rust-lang.c b/gdb/rust-lang.c
index 836ea37f153..fdd6e3fbdbb 100644
--- a/gdb/rust-lang.c
+++ b/gdb/rust-lang.c
@@ -324,14 +324,6 @@ rust_language::val_print_struct
 
   if (rust_slice_type_p (type) && strcmp (type->name (), "&str") == 0)
     {
-      /* If what we are printing here is actually a string within a
-	 structure then VAL will be the original parent value, while TYPE
-	 will be the type of the structure representing the string we want
-	 to print.
-	 However, RUST_VAL_PRINT_STR looks up the fields of the string
-	 inside VAL, assuming that VAL is the string.
-	 So, recreate VAL as a value representing just the string.  */
-      val = value_at_lazy (type, value_address (val));
       rust_val_print_str (stream, val, options);
       return;
     }