From 80198c701a7fc09e736ccffe470ee5033ca59a69 Mon Sep 17 00:00:00 2001
From: Thomas Koenig <tkoenig@gcc.gnu.org>
Date: Tue, 26 Jan 2021 12:26:54 +0100
Subject: [PATCH] Commit test case for PR 67539.
gcc/testsuite/ChangeLog:
PR fortran/67539
* gfortran.dg/elemental_assignment_1.f90: New test.
---
.../gfortran.dg/elemental_assignment_1.f90 | 59 +++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 gcc/testsuite/gfortran.dg/elemental_assignment_1.f90
diff --git a/gcc/testsuite/gfortran.dg/elemental_assignment_1.f90 b/gcc/testsuite/gfortran.dg/elemental_assignment_1.f90
new file mode 100644
index 000000000000..23d764313b26
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/elemental_assignment_1.f90
@@ -0,0 +1,59 @@
+! { dg-do run }
+! PR 67539 - this used to give a segfault at runtime.
+! Test case by "mrestelli".
+
+module m
+ implicit none
+
+ type :: t_a
+ real, allocatable :: x
+ end type t_a
+
+ interface assignment(=)
+ module procedure copy_t_a
+ end interface
+
+contains
+
+ elemental subroutine copy_t_a(y,x)
+ type(t_a), intent(in) :: x
+ type(t_a), intent(out) :: y
+ allocate( y%x , source=x%x )
+ end subroutine copy_t_a
+
+ elemental function new_t_a(x) result(res)
+ real, intent(in) :: x
+ type(t_a) :: res
+ allocate( res%x )
+ res%x = x
+ end function new_t_a
+
+end module m
+
+
+program p
+ use m
+ implicit none
+
+ integer :: i
+ type(t_a) :: tmp
+ type(t_a), allocatable :: v(:)
+
+ allocate( v(2) )
+
+ v = new_t_a(1.5) ! -> segmentation fault
+
+ !tmp = new_t_a(1.5) ! -> OK
+ !v = tmp
+
+ !do i=1,size(v) ! -> also OK
+ ! v(i) = new_t_a(1.5)
+ !enddo
+
+ do i=1,size(v)
+ write(*,*) " i = ",i
+ write(*,*) allocated(v(i)%x)
+ write(*,*) v(i)%x
+ enddo
+
+end program p
--
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