Fix PR 16728

[Diego Novillo]

On Thu, 2004-10-28 at 17:12, Benjamin Kosnik wrote:
> >When copying a pointer into another, we should also merge the flow
> >sensitive information.  This first showed up on tree-cleanup-branch with
> >the more aggressive copy propagator.  I'm rather surprised that it had
> >never showed up on mainline.
> 
> Sweet. This had been broken for three months. Now it's possible to run
> the full performance testsuites on mainline...
> 
Why aren't they run by default?  Too expensive?


> >The original test is only run with 'make check-performance' on
> >libstdc++.  I'd like to move/copy this test into the regular 'make
> >check', but I don't know my way around libstdc++/testsuite.  Could one
> >of the libstdc++ folks give me a pointer?  Where could I put this test? 
> >It's a runtime test that needs '-O2 -pthread' to run.
> 
> So is the test for this going to live in libstdc++?
>
It already is, I believe.  The PR log suggests that the test case was
taken from one of the 'make check-performance' tests.

>  Dunno. I suppose
> you'd add the smallest possible test that broke somewhere (where?), like
> the testsuite/thread tests that get run all the time.
> 
OK, I'll try putting it there, then.


Thanks.  Diego.