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-rw-r--r--gcc/fortran/trans-array.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index 117349e..de21cc0 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -2681,6 +2681,20 @@ gfc_conv_ss_descriptor (stmtblock_t * block, gfc_ss * ss, int base)
if (base)
{
+ if (ss_info->expr->ts.type == BT_CHARACTER && !ss_info->expr->ts.deferred
+ && ss_info->expr->ts.u.cl->length == NULL)
+ {
+ /* Emit a DECL_EXPR for the variable sized array type in
+ GFC_TYPE_ARRAY_DATAPTR_TYPE so the gimplification of its type
+ sizes works correctly. */
+ tree arraytype = TREE_TYPE (
+ GFC_TYPE_ARRAY_DATAPTR_TYPE (TREE_TYPE (info->descriptor)));
+ if (! TYPE_NAME (arraytype))
+ TYPE_NAME (arraytype) = build_decl (UNKNOWN_LOCATION, TYPE_DECL,
+ NULL_TREE, arraytype);
+ gfc_add_expr_to_block (block, build1 (DECL_EXPR, arraytype,
+ TYPE_NAME (arraytype)));
+ }
/* Also the data pointer. */
tmp = gfc_conv_array_data (se.expr);
/* If this is a variable or address of a variable we use it directly.
@@ -3143,9 +3157,22 @@ build_class_array_ref (gfc_se *se, tree base, tree index)
size = gfc_class_vtab_size_get (decl);
+ /* For unlimited polymorphic entities then _len component needs to be
+ multiplied with the size. If no _len component is present, then
+ gfc_class_len_or_zero_get () return a zero_node. */
+ tmp = gfc_class_len_or_zero_get (decl);
+ if (!integer_zerop (tmp))
+ size = fold_build2 (MULT_EXPR, TREE_TYPE (index),
+ fold_convert (TREE_TYPE (index), size),
+ fold_build2 (MAX_EXPR, TREE_TYPE (index),
+ fold_convert (TREE_TYPE (index), tmp),
+ fold_convert (TREE_TYPE (index),
+ integer_one_node)));
+ else
+ size = fold_convert (TREE_TYPE (index), size);
+
/* Build the address of the element. */
type = TREE_TYPE (TREE_TYPE (base));
- size = fold_convert (TREE_TYPE (index), size);
offset = fold_build2_loc (input_location, MULT_EXPR,
gfc_array_index_type,
index, size);