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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug mi/11738] -var-evaluate-expression doesn't work after removing
 pretty printer
Date: Wed, 25 May 2022 19:54:16 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D11738

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at sourceware dot o=
rg

--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
I didn't set up a test case for a pointer pretty-printer,
but I wonder if invoking -var-update first would help.

I see this code in c-varobj.c:

            /* If the specified format is the current one,
               we can reuse print_value.  */
            if (format =3D=3D var->format)
              return var->print_value;
            else
              return varobj_value_get_print_value (var->value.get (), forma=
t,
                                                   var);

So I suspect what's happening is that resetting the visualizer
does not change the print_value, and so then gdb thinks it
can just reuse the existing one.

--=20
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