Re: Fixing testsuite failures: arithX.mod

[Brian Callahan]

Hi Gaius --

On Thursday, May 6th, 2021 at 10:27 AM, Gaius Mulley <gaiusmod2@gmail.com> 
wrote:

> Brian Callahan bcallah@protonmail.com writes:
>
> > Hello --
> >
> > There are many testsuite failures on OpenBSD in the arithX.mod
> >
> > compilation. They all boil down to the same issue: CMPLX is being
> >
> > used in a CONST assignment but gm2 does not believe that is valid.
> >
> > Attached is the full error message for arith3.mod. If there are
> >
> > any pointers, I can go fix it.
> >
> > Thanks.
> >
> > ~Brian
>
> Hi Brian,
>
> I'm curious as to the contents of <builddir>/gcc/testsuite/gm2/gm2.log
>
> regarding arith3.mod. On my debian buster amd64 system I have the following:
>
> spawn -ignore SIGHUP
>
> /home/gaius/GM2/graft-combine/build-gm2-master-enabled/gcc/gm2
>
> -B/home/gaius/GM2/graft-combine/build-gm2-master-enabled/gcc
>
> -I/home/gaius/GM2/graft-combine/build-gm2-master-enabled/x86_64-pc-linux-gnu/./libgm2/libm2iso:/home/gaius/GM2/graft-combine/gm2-floppsie/gcc/testsuite/../m2/gm2-libs-iso
>
> -I/home/gaius/GM2/graft-combine/build-gm2-master-enabled/x86_64-pc-linux-gnu/./libgm2/libm2cor:/home/gaius/GM2/graft-combine/gm2-floppsie/gcc/testsuite/../m2/gm2-libs-coroutines
>
> -I/home/gaius/GM2/graft-combine/build-gm2-master-enabled/x86_64-pc-linux-gnu/./libgm2/libm2pim:/home/gaius/GM2/graft-combine/gm2-floppsie/gcc/testsuite/../m2/gm2-libs
>
> -fiso
>
> -L/home/gaius/GM2/graft-combine/build-gm2-master-enabled/x86_64-pc-linux-gnu/./libgm2/libm2iso/.libs
>
> -L/home/gaius/GM2/graft-combine/build-gm2-master-enabled/x86_64-pc-linux-gnu/./libgm2/libm2cor/.libs
>
> -L/home/gaius/GM2/graft-combine/build-gm2-master-enabled/x86_64-pc-linux-gnu/./libgm2/libm2pim/.libs
>
> -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
>
> -fdiagnostics-color=never -g -c -o
>
> /home/gaius/GM2/graft-combine/build-gm2-master-enabled/gcc/testsuite/gm2/arith3.o
>
> /home/gaius/GM2/graft-combine/gm2-floppsie/gcc/testsuite/gm2/complex/pass/arith3.mod
>
> the item of particular interest is the -fiso switch - which should be
>
> present and will enable CMPLX to be utilised in a constant expression.
>
> Without -fiso I get the same error - and the testsuite should be running
>
> these tests with the boilerplate iso configuration.
>
> In summary:
>
> gm2 -g -c arith3.mod
>
> will gives me the same error whereas
>
> gm2 -g -c -fiso arith3.mod
>
> is successful. An interesting problem!
>
> regards,
>
> Gaius

Uploaded the whole gm2.log (gzip'd) here:
https://github.com/ibara/misc/blob/main/gnu-modula-2/gm2.log.gz

I believe I see -fiso in my invocation, but as I'm not too
familiar with dejagnu, better to give you more info than less :)

~Brian