Re: dead code remover under gcc -O and higher(Is there a flag to do this)

[chengjian (D)]

On 2017/12/4 10:25, carl hansen wrote:

line 12 , you say "void A( );"

say instead:
void A(){};

That solved it for me, using gcc7.2

Yeah, I miss the implementation, but I did this on purpose

I'm curious is there any options to eliminate this.
like gcc -O2 do.

thanks.