2010-03-01 Tobias Burnus <burnus@net-b.de>

        PR fortran/43199
        * resolve.c (find_array_spec): Handle REF_COMPONENT with
        CLASS components.

2010-03-01  Tobias Burnus  <burnus@net-b.de>

        PR fortran/43199
        * gfortran.dg/module_read_2.f90: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@157133 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 88fe30e..0c802b6 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2010-03-01  Tobias Burnus  <burnus@net-b.de>
+
+       PR fortran/43199
+       * resolve.c (find_array_spec): Handle REF_COMPONENT with
+       CLASS components.
+
 2010-02-28  Tobias Burnus  <burnus@net-b.de>
 
        PR fortran/43205

diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 4f9eb01..8de0de6 100644 (file)
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -4007,6 +4007,9 @@ find_array_spec (gfc_expr *e)
        if (derived == NULL)
          derived = e->symtree->n.sym->ts.u.derived;
 
+       if (derived->attr.is_class)
+         derived = derived->components->ts.u.derived;
+
        c = derived->components;
 
        for (; c; c = c->next)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d6d79c4..4bb68cc 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-03-01  Tobias Burnus  <burnus@net-b.de>
+
+       PR fortran/43199
+       * gfortran.dg/module_read_2.f90: New test.
+
 2010-02-27  Mark Mitchell  <mark@codesourcery.com>
 
        PR c++/42748

diff --git a/gcc/testsuite/gfortran.dg/module_read_2.f90 b/gcc/testsuite/gfortran.dg/module_read_2.f90
new file mode 100644 (file)
index 0000000..d001ca7
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/module_read_2.f90
@@ -0,0 +1,30 @@
+! { dg-do run }
+!
+! PR fortran/43199
+!
+! This program gave an ICE due to reading the REF_COMPONENT with CLASS.
+!
+module m_string
+  type t_string
+      character, dimension(:), allocatable :: string
+  end type t_string
+contains
+pure function string_to_char ( s ) result(res)
+  class(t_string), intent(in) :: s
+  character(len=size(s%string)) :: res
+  integer :: i
+  do i = 1,len(res)
+    res(i:i) = s%string(i)
+  end do
+end function string_to_char
+end module m_string
+
+use m_string
+type(t_string) :: str
+allocate(str%string(5))
+str%string = ['H','e','l','l','o']
+if (len (string_to_char (str)) /= 5) call abort ()
+if (string_to_char (str) /= "Hello") call abort ()
+end
+
+! { dg-final { cleanup-modules "m_string" } }