[PATCH] Fix -save-temp leaking lto files in /tmp

[Bernd Edlinger]

Hi,

On 2/21/20 8:35 AM, Richard Biener wrote:
> 
> IIRC this definitely clashes with Alex work to overhaul
> -auxdir/-dumpdir queued for GCC 11 where some of the above
> is improved.
> 
> So whatever we do we should do it for GCC 11 after Alex patches
> land.
> 
> Richard.
> 

Okay, I think this patch was applied in the mean time.
Just some 20-30 temp files are left from a full run of the testsuite.

So I rewrote my patch, and found this time it looks
feasible to avoid all remaining temp files with unpredictable
random names, so that is an improvement over the state earlier
this year.


Attached is my new patch, to clean up the rest of the -save-temps
files.  That consist just of a couple of @file parameters.

I added a few test cases, and the testsuite runs without any
temp files leaking.

Bootstrapped and reg-tested on x86_64-pc-linux-gnu.
Is it OK for trunk?


Thanks
Bernd.
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