This code gives seg fault in 9.0.0 20181010 and 9.0.0 20190103, OK in 8.2.1: (same with P pointer or allocatable) program tester call gbug contains subroutine gbug type TNameValue character(LEN=:), allocatable :: Name end type TNameValue type TNameValue_pointer Type(TNameValue), allocatable :: P end type TNameValue_pointer Type TType type(TNameValue_pointer), dimension(:), allocatable :: Items end type TType Type(TType) T allocate(T%Items(2)) allocate(T%Items(2)%P) T%Items(2)%P%Name = 'test' end subroutine gbug end program tester
> This code gives seg fault in 9.0.0 20181010 and 9.0.0 20190103, OK in 8.2.1: Reduced range: r264722 (2018-09-30, OK) and r264810 (2018-10-03, serrault), likely r264724 (pr70752, pr72709).
It seems to have been my fault and so I will take it. I am just dealing with two other regressions and then I will turn to this one. Thanks Paul
Author: pault Date: Sat Feb 2 09:16:44 2019 New Revision: 268473 URL: https://gcc.gnu.org/viewcvs?rev=268473&root=gcc&view=rev Log: 2019-02-02 Paul Thomas <pault@gcc.gnu.org> PR fortran/88980 * trans-array.c (gfc_array_init_size): Add element_size to the arguments. (gfc_array_allocate): Remove the recalculation of the size of the element and use element_size from the call to the above. Unconditionally set the span field of the descriptor. 2019-02-02 Paul Thomas <pault@gcc.gnu.org> PR fortran/88980 * gfortran.dg/realloc_on_assign_32.f90 : New test. Added: trunk/gcc/testsuite/gfortran.dg/realloc_on_assign_32.f90 Modified: trunk/gcc/fortran/ChangeLog trunk/gcc/fortran/trans-array.c trunk/gcc/testsuite/ChangeLog
Author: pault Date: Sun Feb 3 14:44:19 2019 New Revision: 268488 URL: https://gcc.gnu.org/viewcvs?rev=268488&root=gcc&view=rev Log: 2019-02-02 Paul Thomas <pault@gcc.gnu.org> Backport from trunk PR fortran/88980 * trans-array.c (gfc_array_init_size): Add element_size to the arguments. (gfc_array_allocate): Remove the recalculation of the size of the element and use element_size from the call to the above. Unconditionally set the span field of the descriptor. 2019-02-02 Paul Thomas <pault@gcc.gnu.org> Backport from trunk PR fortran/88980 * gfortran.dg/realloc_on_assign_32.f90 : New test. Added: branches/gcc-8-branch/gcc/testsuite/gfortran.dg/realloc_on_assign_32.f90 Modified: branches/gcc-8-branch/gcc/fortran/ChangeLog branches/gcc-8-branch/gcc/fortran/trans-array.c branches/gcc-8-branch/gcc/testsuite/ChangeLog
Fixed on 9-branch. Although it had no effect because finalization is not implemented in this case, the fix was applied to 8-branch as well so that the testcase is included in the tree. Thanks for the report. Paul