[Bug exp/9512] Incomplete type evaluated incorrectly

[Bug exp/9512] Incomplete type evaluated incorrectly

[tromey at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

Tom Tromey <tromey at redhat dot com> changed:

           What    |Removed                     |Added
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             Status|ASSIGNED                    |WAITING
                 CC|                            |tromey at redhat dot com

--- Comment #1 from Tom Tromey <tromey at redhat dot com> 2012-07-12 19:56:49 UTC ---
Is this still a problem for you?

There isn't enough information here to debug the problem.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[oder at eleks dot lviv.ua]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

--- Comment #2 from oder at eleks dot lviv.ua 2012-07-12 20:08:52 UTC ---
Sure, if nobody had ever fixed this the problem should not be gone.

What additional information do you need? I can post class declaration and
header inclusion hierarchy if that helps.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[tromey at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

--- Comment #3 from Tom Tromey <tromey at redhat dot com> 2012-07-12 20:23:53 UTC ---
What compiler are you using?
Do you know what kind of debuginfo you are using?
Can you try a newer gdb?  6.5 is quite old.

The ideal situation for us is a small test case showing the problem.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[oder at eleks dot lviv.ua]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

--- Comment #4 from oder at eleks dot lviv.ua 2012-07-12 21:46:38 UTC ---
This bug report was created at beginning of 2008, and at that time GDB 6.5
might be not so old. It is not my fault that more than 4 years had to pass
until somebody have had a look at it.

CSpaceTriplet is a class with array of three doubles (a point in space).
The program was and is compiled with -gstabs+ -malign-double (these are the
options that might be relevant to the problem).
The GCC version at that time was 3.3.5

At present I have GCC 4.6.2 and GDB 6.8 available in my system.
I can try tomorrow if problem persists.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[tromey at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

--- Comment #5 from Tom Tromey <tromey at redhat dot com> 2012-07-13 15:35:28 UTC ---
(In reply to comment #4)
> This bug report was created at beginning of 2008, and at that time GDB 6.5
> might be not so old. It is not my fault that more than 4 years had to pass
> until somebody have had a look at it.

Sorry, I didn't mean to imply anything.

> CSpaceTriplet is a class with array of three doubles (a point in space).
> The program was and is compiled with -gstabs+ -malign-double (these are the
> options that might be relevant to the problem).
> The GCC version at that time was 3.3.5
> 
> At present I have GCC 4.6.2 and GDB 6.8 available in my system.
> I can try tomorrow if problem persists.

Also try using DWARF rather than stabs.
stabs are pretty dead now, and I'm told (I know little about stabs...)
that they never worked very well for C++.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[oder at eleks dot lviv.ua]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

--- Comment #6 from oder at eleks dot lviv.ua 2012-07-13 15:51:55 UTC ---
The project is quite large and depends on number of prebuilt libraries. To
change debug information format I'll need to rebuild them all and that is going
to take some time.
As far as I remember I considered different available debug information formats
and had chosen stabs because with it GDB displayed structures and variables in
a form I found to be most convenient.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[oder at eleks dot lviv.ua]

http://sourceware.org/bugzilla/show_bug.cgi?id=9512

--- Comment #7 from oder at eleks dot lviv.ua 2012-07-13 15:57:38 UTC ---
But the problem should not be related to a particular format. It's GDB that
considers type either complete or incomplete. So, if it considers it incomplete
it should not display values for its field (especially invalid ones). And if it
considers the type complete, it has to display field values regardless of the
way I dereference the pointer expresstion.

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[Bug exp/9512] Incomplete type evaluated incorrectly

[sergiodj at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=9512

Sergio Durigan Junior <sergiodj at redhat dot com> changed:

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                 CC|                            |sergiodj at redhat dot com

--- Comment #8 from Sergio Durigan Junior <sergiodj at redhat dot com> ---
Hi, did you manage to come up with a small testcase to reproduce the issue, as
Tom requested?  Thanks.

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