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gdb/186: gdb have problems with C++ casting



>Number:         186
>Category:       gdb
>Synopsis:       gdb have problems with C++ casting
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jul 30 14:48:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     teg@redhat.com
>Release:        unknown-1.0
>Organization:
>Environment:
Red Hat Linux 7.1 - problem verified with gcc 2.96RH and egcs 1.1.2. Compiler doesn't seem to be a significant factor.
gdb CVS as of 2001-07-30 15:00 EDT still had this problem
>Description:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=36625

When compiling the attached C++ program and running it, gdb gets in trouble when doing casting.


(gdb) b 27
Breakpoint 1 at 0x8048695: file jakub.C, line 27.
(gdb) r
Starting program: /home/devel/teg/jakub 

Breakpoint 1, main () at jakub.C:27
27        z = (B *)x;
(gdb) n
28      }
(gdb) p *z
$1 = {<A> = {i = 1, _vptr. = 0x8048828 <A virtual table>}, j = 2, k = 3}
(gdb) p y
$2 = {<A> = {i = 1, _vptr. = 0x8048828 <A virtual table>}, j = 2, k = 3}
(gdb) p *(B *)x
$3 = {<A> = {i = 1, _vptr. = 0x8048828 <A virtual table>}, j = 0, k = 0}
(gdb) 
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="jakub.C"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="jakub.C"

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