https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93635
Bug ID: 93635
Summary: Get ICE instead of error message if user incorrectly
equivalences allocateable variables that are in a
NAMELIST group
Product: gcc
Version: 8.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: urbanjost at comcast dot net
Target Milestone: ---
User programming error produces an ICE instead of the expected error message
if trying to allocate equivalences variables.
Only occurs if variables are also in a NAMELIST group
## MINIMAL REPRODUCER
program boom
implicit none
character(len=:),allocatable :: r,rel
namelist /args/ r,rel
equivalence(r,rel) !! USER ERROR: NOT ALLOWED FOR ALLOCATABLES
allocate(character(len=1024) :: r)
end program boom
## RESULTING ERROR
boom.f90:5:0:
allocate(character(len=1024) :: r)
internal compiler error: in gfc_conv_variable, at
fortran/trans-expr.c:2723
Please submit a full bug report,
ERROR IF NAMELIST STATEMENT REMOVED (a correct message to the user that code
has an error)
equivalence(r,rel) ! it is not legal to equivalence allocatable
variables
1
Error: EQUIVALENCE attribute conflicts with ALLOCATABLE attribute in 'r'
at (1)
