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2016-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69385
	* trans-expr.c (is_scalar_reallocatable_lhs): Remove the check
	for allocatable components, whilst checking if the symbol is a
	derived or class entity..

2015-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69385
	* gfortran.dg/alloc_comp_assign_15.f03: New test.

From-SVN: r232904
This commit is contained in:
Paul Thomas 2016-01-27 21:24:01 +00:00
parent 9525851d49
commit 49847d759f
4 changed files with 48 additions and 3 deletions
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7
gcc/fortran/ChangeLog
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@ -1,3 +1,10 @@
2016-01-27 Paul Thomas <pault@gcc.gnu.org>
PR fortran/69385
* trans-expr.c (is_scalar_reallocatable_lhs): Remove the check
for allocatable components, whilst checking if the symbol is a
derived or class entity..
2016-01-26 Paul Thomas <pault@gcc.gnu.org> 2016-01-26 Paul Thomas <pault@gcc.gnu.org>
PR fortran/69385 PR fortran/69385

7
gcc/fortran/trans-expr.c
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@ -8901,10 +8901,11 @@ is_scalar_reallocatable_lhs (gfc_expr *expr)
&& !expr->ref) && !expr->ref)
return true; return true;
/* All that can be left are allocatable components. */ /* All that can be left are allocatable components. However, we do
if ((expr->symtree->n.sym->ts.type != BT_DERIVED not check for allocatable components here because the expression
could be an allocatable component of a pointer component. */
if (expr->symtree->n.sym->ts.type != BT_DERIVED
&& expr->symtree->n.sym->ts.type != BT_CLASS) && expr->symtree->n.sym->ts.type != BT_CLASS)
|| !expr->symtree->n.sym->ts.u.derived->attr.alloc_comp)
return false; return false;
/* Find an allocatable component ref last. */ /* Find an allocatable component ref last. */

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-01-27 Paul Thomas <pault@gcc.gnu.org>
PR fortran/69385
* gfortran.dg/alloc_comp_assign_15.f03: New test.
2016-01-27 Jakub Jelinek <jakub@redhat.com> 2016-01-27 Jakub Jelinek <jakub@redhat.com>
PR debug/66869 PR debug/66869

32
gcc/testsuite/gfortran.dg/alloc_comp_assign_15.f03 Normal file
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@ -0,0 +1,32 @@
! { dg-do run }
!
! Check the test for PR69422, in which the allocatable component 'Source'
! of the pointer component 'P' was not automatically (re)allocated on
! assignment.
!
! Contributed by Anthony Lewis <antony@cosmologist.info>
!
module funcs
implicit none
Type T
character(LEN=:), allocatable :: source
end type T
type TPointer
Type(T), pointer :: P
end type TPointer
end module
program Test1
use funcs
Type(TPointer) :: X
allocate(X%P)
X%P%Source = 'test string'
if (.not.allocated (X%P%Source)) call abort
if (X%P%Source .ne. 'test string') call abort
end program Test1