[Bug c++/8218] ptype claims destructors have arg

["tromey at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=8218

Tom Tromey <tromey at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |tromey at redhat dot com

--- Comment #3 from Tom Tromey <tromey at redhat dot com> 2013-01-22 18:05:34 UTC ---
(In reply to comment #2)

> 0x00000063:       DW_TAG_formal_parameter [4] 
> 0x00000064:         DW_AT_type [DW_FORM_ref4]   (cu + 0x0071 => {0x00000071})
> 0x00000068:         DW_AT_artificial [DW_FORM_flag]     (0x01)

> Shall we close this & open a GCC bug instead? (& change the kfail to an xfail
> referencing the GCC bug - and add the correct pattern so Clang can pass this
> test)

Arguably it is still a gdb bug since the parameter is marked artificial.
I think that gdb may be making an explicit choice here, though, since
c_type_print_args explicitly prints artificial arguments.

There is a GCC bug in this area:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37237
It may not seem related but if you read the comments, the gist
is that GCC is just emitting DWARF for one of the constructors,
whereas it should probably emit DWARF for all of them.

Adding a pattern for clang to pass seems fine to me.

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