Functions that are CSEable but not pure

[Jason Merrill]

On 10/04/2012 01:15 PM, Richard Guenther wrote:
> That is, I am confused about the distinction you seem to make between
> the static variable 'initialized' and the global 'init_count'.

The distinction is that "initialized" is an implementation detail that 
once set is never cleared; it is the mechanism by which only the first 
call has side effects.

init_count is a normal user variable.

Jason