PR 96391? Can we fix it for gcc11?

[Richard Biener]

On Tue, 23 Feb 2021, Qing Zhao wrote:

> Hi, Richard,
> 
> > On Feb 9, 2021, at 11:36 AM, Richard Biener <rguenther@suse.de> wrote:
> > 
> > On Tue, 9 Feb 2021, Qing Zhao wrote:
> >> 
> >> Yes, I understand that without a working testing case to repeat the error, it’s very hard to debug and fix the issue. 
> >> 
> >> However, providing a testing case for this bug is really challenging from our side due to multiple reasons…
> >> 
> >> 
> > 
> > Note you can try reducing a proprietary testcase with tools like
> > cvise or creduce.  Does your case also happen in a mingw/windows
> > environment?
> 
> We are trying to install a creduce on our system, and noticed that it depend on LLVM, I am wondering whether there is
> a similar tool that depends on GCC? 

There's 'delta' but it doesn't rely on GCC internals but avoids the llvm
dependency.  Note that using the clang parser the reduction can work
way better, it's still GCC that is used to see if the reduction is valid.

Richard.

> Qing
> > 
> > Richard.
> > 
> 
> 

-- 
Richard Biener <rguenther@suse.de>
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