Re: [PATCH] Document that index-cache requires build ID

[Eli Zaretskii <eliz@gnu.org>]

> Date: Thu, 17 Apr 2025 14:06:31 -0300
> Cc: "Eli Zaretskii (eliz@gnu.org)" <eliz@gnu.org>
> From: Guinevere Larsen <guinevere@redhat.com>
> 
>  From 4dfcd1888e3fc3c5707e3f697268d820679a1c7b Mon Sep 17 00:00:00 2001
>  From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
>  Date: Sun, 6 Apr 2025 13:11:06 +0200
>  Subject: [PATCH] Document that index-cache requires build ID
> 
>  ---
>   gdb/doc/gdb.texinfo | 2 ++
>   gdb/dwarf2/read.c   | 4 ++++
>   2 files changed, 6 insertions(+)
> 
>  diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
>  index e034ac53295..37b65ab72ac 100644
>  --- a/gdb/doc/gdb.texinfo
>  +++ b/gdb/doc/gdb.texinfo
>  @@ -22934,6 +22934,8 @@ Indices only work when using DWARF debugging information, not stabs.
>   It is possible for @value{GDBN} to automatically save a copy of this index in a
>   cache on disk and retrieve it from there when loading the same binary in the
>   future.  This feature can be turned on with @kbd{set index-cache enabled on}.
>  +Note that the cache will use the ELF build ID to identify the cached indices,
>  +so files without Build ID will not have their index cached.
>   The following commands can be used to tweak the behavior of the index cache.
> 
> Since there are documentation changes, we need Eli Zaretskii to approve this change. I've CC'd him in this
> email.

Sorry for missing the original submission.

The patch for gdb.texinfo is okay, but please use "build ID", not
"Build ID", for the second instance, to be consistent about the
letter-case.

Reviewed-By: Eli Zaretskii <eliz@gnu.org>