CO_BROADCAST polymoprhic components

[everythingfunctional]

I'm not 100% sure this is where the problem lies, but it seems that way. I'm trying to implement a 2-sided communication library using teams and co_broadcast, but I get a segfault in a weird place.

The example can be found here: https://gitlab.com/everythingfunctional/communicator

but running it I get:

```

$ fpm run --example --compiler ifx --profile debug --flag -coarray (main)
communicator.f90 done.
libcommunicator.a done.
hello_world.f90 done.
hello_world done.
[100%] Project compiled successfully.
On image 4 received: Hello, from image 4
forrtl: severe (174): SIGSEGV, segmentation fault occurred
In coarray image 3
Image PC Routine Line Source
libc.so.6 00007F97DC362AB0 Unknown Unknown Unknown
libc.so.6 00007F97DC47FB62 Unknown Unknown Unknown
hello_world 0000000000405F8E hello_world 19 hello_world.f90
hello_world 000000000040533D Unknown Unknown Unknown
libc.so.6 00007F97DC34C850 Unknown Unknown Unknown
libc.so.6 00007F97DC34C90A __libc_start_main Unknown Unknown
hello_world 0000000000405255 Unknown Unknown Unknown

```

[Barbara_P_Intel]

Please attach your reproducer here. I'm not sure how to use what's on your GitLab site or what fpm is.

[everythingfunctional]

fpm is the Fortran Package Manger. It's a build and dependency management system (https://fpm.fortran-lang.org/). But at any rate, the example's not so complicated to do manually.

$ ifx -c -coarray communicator.f90 -o communicator.o                                                                                                                                                                                                                $ ifx -c -coarray hello_world.f90 -o hello_world.o                                                                                                                                                                                                                  $ ifx -coarray communicator.o hello_world.o -o hello_world                                                                                                                                                                                                          $ ./hello_world                                                                                                                                                                                                                                                     On image            4  received: Hello, from image  4
forrtl: severe (174): SIGSEGV, segmentation fault occurred
In coarray image 3
Image              PC                Routine            Line        Source             
libc.so.6          00007F1B9813BAB0  Unknown               Unknown  Unknown
libc.so.6          00007F1B98258B62  Unknown               Unknown  Unknown
hello_world        00000000004061F4  Unknown               Unknown  Unknown
hello_world        000000000040531D  Unknown               Unknown  Unknown
libc.so.6          00007F1B98125850  Unknown               Unknown  Unknown
libc.so.6          00007F1B9812590A  __libc_start_main     Unknown  Unknown
hello_world        0000000000405235  Unknown               Unknown  Unknown

[Barbara_P_Intel]

Thank you. Let me see what's up.

[Barbara_P_Intel]

With that simple reproducer, I am able to reproduce the issue. I filed a bug report, CMPLRLLVM-49827. I'll post here when there's a fix.

[everythingfunctional]

Perfect. Thanks.

[Barbara_P_Intel · Accepted solution]

The issue you reported using coarrays is fixed in the 2024.1 release of ifx and ifort. It was made available last week.

Please try it out!

[everythingfunctional]

It appears to be working with my initial tests. Thanks!