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* [Bug debug/51873] New: stringstream is opaque with g++
@ 2012-01-16 17:10 nikolay at totalviewtech dot com
2012-01-16 17:51 ` [Bug debug/51873] " redi at gcc dot gnu.org
2012-01-16 18:59 ` pinskia at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: nikolay at totalviewtech dot com @ 2012-01-16 17:10 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51873
Bug #: 51873
Summary: stringstream is opaque with g++
Classification: Unclassified
Product: gcc
Version: 4.6.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: nikolay@totalviewtech.com
Consider this example:
----------------------------
#include <iostream>
#include <sstream>
using namespace std;
int main()
{
std::stringstream msg;
char ch;
msg << "hello";
for (int n = 0; n < 4; n++)
{
msg >> ch;
cout << ch << endl;
}
return 0;
}
-----------------------------
If you compile it with -g and try to debug it msg variable is reported as
opaque.
13 for (int n = 0; n < 4; n++)
(gdb) p msg
$1 = <incomplete type>
(gdb)
Same in Totalview.
Here is a dwarf:
<2><acb>: Abbrev Number: 12 (DW_TAG_structure_type)
DW_AT_name :
basic_stringstream<char,std::char_traits<char>,std::allocator<char> >
DW_AT_declaration : 1
.....
<2><5dd2>: Abbrev Number: 7 (DW_TAG_typedef)
DW_AT_name : stringstream
DW_AT_decl_file : 26
DW_AT_decl_line : 143
DW_AT_type : <acb>
<2><5de6>: Abbrev Number: 103 (DW_TAG_variable)
DW_AT_name : msg
DW_AT_decl_file : 2
DW_AT_decl_line : 8
DW_AT_type : <5dd2>
DW_AT_location : 3 byte block: 91 e0 7c (DW_OP_fbreg: -416)
There is only declaration of stringstream and no definition.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug debug/51873] stringstream is opaque with g++
2012-01-16 17:10 [Bug debug/51873] New: stringstream is opaque with g++ nikolay at totalviewtech dot com
@ 2012-01-16 17:51 ` redi at gcc dot gnu.org
2012-01-16 18:59 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: redi at gcc dot gnu.org @ 2012-01-16 17:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51873
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-01-16 17:46:53 UTC ---
Works for me if I ensure the right libstdc++.so is found, via RPATH or
LD_LIBRARY_PATH
(gdb) p msg
$1 = {<std::basic_iostream<char, std::char_traits<char> >> = {
... lots of output ...
}}
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug debug/51873] stringstream is opaque with g++
2012-01-16 17:10 [Bug debug/51873] New: stringstream is opaque with g++ nikolay at totalviewtech dot com
2012-01-16 17:51 ` [Bug debug/51873] " redi at gcc dot gnu.org
@ 2012-01-16 18:59 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-01-16 18:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51873
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-16 18:55:29 UTC ---
Dup of older bug 10499.
*** This bug has been marked as a duplicate of bug 10499 ***
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2012-01-16 18:56 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2012-01-16 17:10 [Bug debug/51873] New: stringstream is opaque with g++ nikolay at totalviewtech dot com
2012-01-16 17:51 ` [Bug debug/51873] " redi at gcc dot gnu.org
2012-01-16 18:59 ` pinskia at gcc dot gnu.org
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