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Re: [PATCH] Fix PR optimization/14235


    I'm not really sure what is the best place to fix this.  After various 
    attempts, I settled for the expander of NOP_EXPR.

I'd suggest doing it in convert_move rather than having its caller
guess what it'll do.  Also, the call to safe_from_p is strange given
that we've already evaluated TREE_OPERAND and we know what it is.


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