aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorPaul Thomas <pault@gcc.gnu.org>2009-04-08 08:59:34 +0000
committerPaul Thomas <pault@gcc.gnu.org>2009-04-08 08:59:34 +0000
commitbafc96b4a4e2bd72884217f26bcd970942231adb (patch)
tree59a5eb4e851c7cf27c6a926532ca20e710d5abcd /gcc
parent8e481a2ca6dcab968cc8c18f0fdc6745e75b8afc (diff)
downloadgcc-bafc96b4a4e2bd72884217f26bcd970942231adb.zip
gcc-bafc96b4a4e2bd72884217f26bcd970942231adb.tar.gz
gcc-bafc96b4a4e2bd72884217f26bcd970942231adb.tar.bz2
re PR fortran/38863 (WHERE with multiple elemental defined assignments gives wrong answer)
2009-04-08 Paul Thomas <pault@gcc.gnu.org> PR fortran/38863 * trans-array.c (gfc_trans_deferred_array): Return if this is a result variable. 2009-04-08 Paul Thomas <pault@gcc.gnu.org> PR fortran/38863 * gfortran.dg/alloc_comp_result_1.f90: New test. From-SVN: r145714
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/trans-array.c4
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/alloc_comp_result_1.f9033
4 files changed, 46 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index f9e8ce4..d078a21 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2009-04-08 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/38863
+ * trans-array.c (gfc_trans_deferred_array): Return if this
+ is a result variable.
+
2009-04-07 Janus Weil <janus@gcc.gnu.org>
PR fortran/38152
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index 151f2ca..a96a48d 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -5825,8 +5825,8 @@ gfc_trans_deferred_array (gfc_symbol * sym, tree body)
gfc_trans_vla_type_sizes (sym, &fnblock);
}
- /* Dummy and use associated variables don't need anything special. */
- if (sym->attr.dummy || sym->attr.use_assoc)
+ /* Dummy, use associated and result variables don't need anything special. */
+ if (sym->attr.dummy || sym->attr.use_assoc || sym->attr.result)
{
gfc_add_expr_to_block (&fnblock, body);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a0fee86..1e1206e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-08 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/38863
+ * gfortran.dg/alloc_comp_result_1.f90: New test.
+
2009-04-07 Jason Merrill <jason@redhat.com>
PR c++/34691
diff --git a/gcc/testsuite/gfortran.dg/alloc_comp_result_1.f90 b/gcc/testsuite/gfortran.dg/alloc_comp_result_1.f90
new file mode 100644
index 0000000..90f6d97
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/alloc_comp_result_1.f90
@@ -0,0 +1,33 @@
+! { dg-do run }
+! Test the fix for PR38802, in which the nulling of the result 'p'
+! in 'a_fun' would cause a segfault.
+!
+! Posted on the gfortran list by Marco Restelli http://gcc.gnu.org/ml/fortran/2009-01/
+
+!
+module mod_a
+ implicit none
+ public :: a_fun, t_1, t_2
+ private
+ type t_1
+ real :: coeff
+ end type t_1
+ type t_2
+ type(t_1), allocatable :: mons(:)
+ end type t_2
+contains
+ function a_fun(r) result(p)
+ integer, intent(in) :: r
+ type(t_2) :: p(r+1)
+ p = t_2 ([t_1 (99)])
+ end function a_fun
+end module mod_a
+
+program test
+ use mod_a, only: a_fun, t_1, t_2
+ implicit none
+ type(t_2) x(1)
+ x = a_fun(0)
+ if (any (x(1)%mons%coeff .ne. 99)) call abort
+end program test
+! { dg-final { cleanup-modules "mod_a" } }