[Bug c++/20746] Incorrect return value for covariant return function returning null ptr

[yanliu at ca dot ibm dot com]

------- Additional Comments From yanliu at ca dot ibm dot com  2005-04-04 17:37 
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Could you tell me which gcc level has the fix? thanks. 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20746