[Cbc] CoinLpIO.cpp segfault

[Christoph Cullmann]

Hi,

it seems that the wrong variable is reset in the stable branch (and maybe trunk, too) in

void 
CoinLpIO::passInMessageHandler(CoinMessageHandler * handler)

There is:

if (defaultHandler_){ 
    delete handler_;
    handler = NULL; 
    }

which should be:

if (defaultHandler_){ 
    delete handler_;
    handler_ = NULL; 
    }

Else it crashs for me on any execution, as handler_ is a null pointer later on as below that, handler is assigned to handler_.

Greetings
Christoph

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