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authorPaul Thomas <pault@gcc.gnu.org>2009-06-19 21:58:27 +0000
committerPaul Thomas <pault@gcc.gnu.org>2009-06-19 21:58:27 +0000
commit47f71eb95c205984d1717a8e20181c9fe67cf109 (patch)
tree25cce1767c043508102a8305bca778fcf01421fb
parent6569d386e28bb84135413af40c470d238a7fea54 (diff)
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re PR fortran/40440 (Automatic deallocation component of DT function return value)
2009-06-19 Paul Thomas <pault@gcc.gnu.org> PR fortran/40440 * trans-expr.c (gfc_conv_procedure_call): Do not deallocate allocatable components if the argument is a pointer. 2009-06-19 Paul Thomas <pault@gcc.gnu.org> PR fortran/40440 * gfortran.dg/alloc_comp_result_2.f90: New test. From-SVN: r148731
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/trans-expr.c1
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/alloc_comp_result_2.f9028
4 files changed, 40 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 911e143..c38b91a 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2009-06-19 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/40440
+ * trans-expr.c (gfc_conv_procedure_call): Do not deallocate
+ allocatable components if the argument is a pointer.
+
2009-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* gfortran.h (gfc_expr): Use mpc_t to represent complex numbers.
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index d363e6d..f79ad4b 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -2739,6 +2739,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
dealt with in trans-array.c(gfc_conv_array_parameter). */
if (e && e->ts.type == BT_DERIVED
&& e->ts.derived->attr.alloc_comp
+ && !(e->symtree && e->symtree->n.sym->attr.pointer)
&& (e->expr_type != EXPR_VARIABLE && !e->rank))
{
int parm_rank;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e7621a7..dcc2e53 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-06-19 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/40440
+ * gfortran.dg/alloc_comp_result_2.f90: New test.
+
2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/40482
diff --git a/gcc/testsuite/gfortran.dg/alloc_comp_result_2.f90 b/gcc/testsuite/gfortran.dg/alloc_comp_result_2.f90
new file mode 100644
index 0000000..be61f2a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/alloc_comp_result_2.f90
@@ -0,0 +1,28 @@
+! { dg-do run }
+! Tests the fix for PR40440, in which gfortran tried to deallocate
+! the allocatable components of the actual argument of CALL SUB
+!
+! Contributed by Juergen Reuter <juergen.reuter@desy.de>
+! Reduced testcase from Tobias Burnus <burnus@gcc.gnu.org>
+!
+ implicit none
+ type t
+ integer, allocatable :: A(:)
+ end type t
+ type (t) :: arg
+ arg = t ([1,2,3])
+ call sub (func (arg))
+contains
+ function func (a)
+ type(t), pointer :: func
+ type(t), target :: a
+ integer, save :: i = 0
+ if (i /= 0) call abort ! multiple calls would cause this abort
+ i = i + 1
+ func => a
+ end function func
+ subroutine sub (a)
+ type(t), intent(IN), target :: a
+ if (any (a%A .ne. [1,2,3])) call abort
+ end subroutine sub
+end