diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 231deaa7582..dc155fa1574 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,17 @@
+2010-03-18  Paul Thomas  <pault@gcc.gnu.org>
+
+        PR fortran/43039
+        * trans-expr.c (conv_parent_component_references): Ensure that
+	'dt' has a backend_decl.
+
+        PR fortran/43043
+        * trans-expr.c (gfc_conv_structure): Ensure that the derived
+	type has a backend_decl.
+
+        PR fortran/43044
+        * resolve.c (resolve_global_procedure): Check that the 'cl'
+	structure is not NULL.
+
 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
 
 	* lang.opt (-ffixed-line-length-, ffree-line-length-): Remove
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index de316da840d..24ec7a8a1de 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -1851,12 +1851,13 @@ resolve_global_procedure (gfc_symbol *sym, locus *where,
      
       /* Non-assumed length character functions.  */
       if (sym->attr.function && sym->ts.type == BT_CHARACTER
-	  && gsym->ns->proc_name->ts.u.cl->length != NULL)
+	    && gsym->ns->proc_name->ts.u.cl != NULL
+	    && gsym->ns->proc_name->ts.u.cl->length != NULL)
 	{
 	  gfc_charlen *cl = sym->ts.u.cl;
 
 	  if (!sym->attr.entry_master && sym->attr.if_source == IFSRC_UNKNOWN
-              && cl && cl->length && cl->length->expr_type != EXPR_CONSTANT)
+                && cl && cl->length && cl->length->expr_type != EXPR_CONSTANT)
 	    {
               gfc_error ("Nonconstant character-length function '%s' at %L "
 			 "must have an explicit interface", sym->name,
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index abc2a24318a..b9ea5579ac8 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -507,6 +507,9 @@ conv_parent_component_references (gfc_se * se, gfc_ref * ref)
   parent.u.c.sym = dt;
   parent.u.c.component = dt->components;
 
+  if (dt->backend_decl == NULL)
+    gfc_get_derived_type (dt);
+
   if (dt->attr.extension && dt->components)
     {
       if (dt->attr.is_class)
@@ -4454,6 +4457,8 @@ gfc_conv_structure (gfc_se * se, gfc_expr * expr, int init)
 	{
 	  gfc_component *data;
 	  data = gfc_find_component (cm->ts.u.derived, "$data", true, true);
+	  if (!data->backend_decl)
+	    gfc_get_derived_type (cm->ts.u.derived);
 	  val = gfc_conv_initializer (c->expr, &cm->ts,
 				      TREE_TYPE (data->backend_decl),
 				      data->attr.dimension,