[Bug libfortran/118935] Segmentation fault in 'libgomp.fortran/rwlock_1.f90' when compiling libgfortran with '-O0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118935

--- Comment #26 from huangpei at loongson dot cn <huangpei at loongson dot cn> ---
(In reply to Thomas Koenig from comment #21)
> (In reply to [email protected] from comment #20)
> > only loongarch64-unknown-linux-gnu 
> > 
> 
> > which arch did I need to test?
> > 
> > I can get access to x64@linux and arm64@linux
> 
> I understand that, right now, there is no independent test case which fails
> without the patch and succeeds with it.  Normally, this is a requirement
> for gcc patches, but if it requires non-standard libgfortran build
> options, I am not sure how to do it, at least as part of the regular
> testsuite.
> 
> Building this on as many systems as possible with different locking
> behavior and -O0 would be a good step. I could try that on POWER,
> for example.

I test arm64@linux on r17-3249-gc5d147d7370fb3,
===========================================================================
                === gfortran Summary ===

# of expected passes            75854
# of unexpected failures        8
# of expected failures          339
# of unsupported tests          181

                === libgomp Summary ===                                         

# of expected passes            17826                                           
# of unexpected failures        3                                               
# of expected failures          284                                             
# of unsupported tests          898 
===========================================================================

no regression