RFA: Set default optimization level to -O2 for -flto

[Basile Starynkevitch]

Nick Clifton wrote:
> 
>   An alternative action would be to issue a warning message if -flto is
>   encountered without any optimization level also being set.  i am not
>   sure what people feel about this.

I don't have authority to approve anything, but my personal feeling is 
that make a warning -or perhaps even an error- at link time if the 
optimization is less than at compile time.

Cheers


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Basile STARYNKEVITCH         http://starynkevitch.net/Basile/
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