https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114235
Bug ID: 114235
Summary: Object undefined is specific procedure for generic
overload in abstract type
Product: gcc
Version: 13.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: Bader at lrz dot de
Target Milestone: ---
Created attachment 57613
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57613&action=edit
test case for overloaded addition in an abstract type
The attached program fails with a segmentation fault. Compilation with
gfortran-13 -g -fbacktrace -Wall -Wextra abstract_overload_01_pos.f90
yields and executable the execution of which produces the following stack
trace:
Backtrace for this error:
#0 0x7faaea5408c0 in ???
#1 0x7faaea53fa75 in ???
#2 0x7faae9b8f03f in ???
#3 0x7faaeae012a3 in __mod_r_MOD_add_r
at
/home/reinhold/a2832ba/Documents/fortran_tests/f03/object_oriented/generic_tbps/abstract_overload_01_pos.f90:38
#4 0x7faaeae01dc3 in p_t
at
/home/reinhold/a2832ba/Documents/fortran_tests/f03/object_oriented/generic_tbps/abstract_overload_01_pos.f90:57
#5 0x7faaeae021ca in main
at
/home/reinhold/a2832ba/Documents/fortran_tests/f03/object_oriented/generic_tbps/abstract_overload_01_pos.f90:44
Segmentation fault (core dumped)
Uncommenting the debug writeout in line 37 reveals that t2%vec is not allocated
contrary to the fact that the actual argument's component is indeed allocated
prior to invocation of the generic addition.
