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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug ada/28180] FAIL: gdb.ada/interface.exp: print s (timeout)
Date: Sun, 08 Aug 2021 08:35:33 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28180

--- Comment #9 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom Tromey from comment #8)
> (In reply to Tom de Vries from comment #3)
>=20
> > Hmm, so ada uses named artifical variables that need to be in the symbol
> > table in order to evaluate them, but they should be ignored in terms of=
 gdb
> > commands that investigate source constructs like "p s".  That seems to =
be
> > the root cause.
>=20
> Yeah, Ada uses a special setup where some debug info is expressed via
> magic symbol names.  The Ada compiler is moving away from this --
> gcc recently switched its default to "minimal encodings", but even with
> this in place there are still some things that require this treatment.
>=20
>=20
> > Any thoughts on the patch ?
>=20
> Unless there's some strong need, my inclination would be to not do anythi=
ng
> special to support older versions of the compiler.  We're trying to move
> everything to "real DWARF", at least to the extent that this is possible.
>=20
> Joel is away right now, but I'll CC him to see what he thinks.

FTR, I can live with an xfail.  But it's good to note that with the latest =
gcc
version, the compiler still produces this type of variables (not s.14, but
others, f.i. <G6b_LAST>), and an xfail should explain why s.14 is incorrect
compiler output, and <G6b_LAST> correct compiler output.

--=20
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