Internal compiler errors with Fortran 2015 EVENT WAIT and EVENT POST

[Damian Rouson]

ping


On April 16, 2016 at 12:09:14 PM, Damian Rouson (damian@sourceryinstitute.org(mailto:damian@sourceryinstitute.org)) wrote:

> All,
> 
> I just submitted Bug Reports 70696 and 70697 related to internal compiler errors with EVENT POST and EVENT WAIT using a recent build of gfortran 6.0.0. Excerpts from these bug reports are below. Also, I just marked coarray Bugs 57093 and 59694 as resolved and fixed based on tests with gfortran 4.9.3, 5.3.0, and 6.0.0.
> 
> Damian
> 
> _________ Bug 70696 ______________________
> 
> $ cat post_host_associated_event.f90
> use iso_fortran_env
> type(event_type) :: x[*]
> contains
> subroutine exchange
> event post(x[1])
> end subroutine
> end
> $ gfortran -fcoarray=single post_host_associated_event.f90
> $ gfortran -fcoarray=lib post_host_associated_event.f90
> post_host_associated_event.f90:5:0:
> 
> event post(x[1])
> 
> internal compiler error: in gfc_get_tree_for_caf_expr, at fortran/trans-expr.c:1852
> 
> post_host_associated_event.f90:5:0: internal compiler error: Abort trap: 6
> gfortran: internal compiler error: Abort trap: 6 (program f951)
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <
> https://trac.macports.org/newticket
> > for instructions.
> $ gfortran --version
> GNU Fortran (MacPorts gcc6 6-20160327_0) 6.0.0 20160327 (experimental)
> 
> 
> _________ Bug 70697 ______________________
> $ cat tree.f90
> use iso_fortran_env
> integer :: nc(1)
> type(event_type) done[*]
> event wait(done,until_count=nc(1))
> end
> $ gfortran -fcoarray=single tree.f90
> tree.f90:4:0:
> 
> event wait(done,until_count=nc(1))
> 
> internal compiler error: Segmentation fault: 11
> 
> tree.f90:4:0: internal compiler error: Abort trap: 6
> gfortran: internal compiler error: Abort trap: 6 (program f951)
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <
> https://trac.macports.org/newticket
> > for instructions.
> $ gfortran --version
> GNU Fortran (MacPorts gcc6 6-20160327_0) 6.0.0 20160327 (experimental)