libstdc++/67: Uninitialized Memory Errors (UMR) with Purify [Short example]

[benoit dot sibaud at rd dot francetelecom dot fr]

>Number:         67
>Category:       libstdc++
>Synopsis:       Uninitialized Memory Errors (UMR) with Purify [Short example]
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jun 28 08:17:01 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     benoit.sibaud@rd.francetelecom.fr
>Release:        libstdc++ 2.90.8
>Organization:
>Environment:
SunOS XXXX 5.6 Generic_105181-17 sun4u sparc SUNW,Ultra-4
Reading specs from /opt/gnu/gcc-2.95.2/lib/gcc-lib/sparc-sun-solaris2.6/2.95.2/specs
gcc version 2.95.2 19991024 (release)
libstdc++ 2.90.8 (full recompilation of gcc)
purify-4.5.1-solaris2

>Description:
I've got many UMR with Purify. I suspect it's due to libstdc++ 2.90.8, so I send to you the Purify report.

#include <iostream>
#include <string>

class Blah
{
public:
  void get(std::string & str) { std::getline(std::cin, str, '\n'); }
};
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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