c++/5293: g++ produces weird error on legal code

[relf@os2.ru]

>Number:         5293
>Category:       c++
>Synopsis:       g++ produces weird error on legal code
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 06 11:06:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Max Alekseyev
>Release:        g++ 3.0.2
>Organization:
>Environment:
OS/2 Warp 4.52
>Description:
bbbb.cpp: In function `any_class& operator*=(any_class&, const any_class&)
   [with any_class = C1]':
bbbb.cpp:22:   instantiated from here
bbbb.cpp:16: could not convert `C1::operator=((&C1::operator*((+q))))' to `C1&'
>How-To-Repeat:
g++ bbbb.cpp
>Fix:

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