c/2735: can't cast a union type defined by a typedef to itself

[cowan@ccil.org]

>Number:         2735
>Category:       c
>Synopsis:       can't cast a union type defined by a typedef to itself
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu May 03 21:26:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     cowan@ccil.org
>Release:        unknown-1.0
>Organization:
>Environment:
gcc 2.7, gcc 2.95
>Description:
GCC doesn't allow casting a  variable of a typedef'ed type that is a union type to its very own type.  It does work if no typedef is involved.
 
>How-To-Repeat:
gcc bug.c
>Fix:
None
>Release-Note:
>Audit-Trail:
>Unformatted:
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