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-rw-r--r--gcc/fortran/trans-array.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index e1d7f78..45c18a5 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -3250,7 +3250,7 @@ build_array_ref (tree desc, tree offset, tree decl, tree vptr)
{
type = gfc_get_element_type (type);
tmp = TREE_OPERAND (cdecl, 0);
- tmp = gfc_get_class_array_ref (offset, tmp);
+ tmp = gfc_get_class_array_ref (offset, tmp, NULL_TREE);
tmp = fold_convert (build_pointer_type (type), tmp);
tmp = build_fold_indirect_ref_loc (input_location, tmp);
return tmp;
@@ -7107,9 +7107,20 @@ gfc_conv_expr_descriptor (gfc_se *se, gfc_expr *expr)
}
else if (GFC_ARRAY_TYPE_P (TREE_TYPE (desc)) || se->use_offset)
{
+ bool toonebased;
tmp = gfc_conv_array_lbound (desc, n);
+ toonebased = integer_onep (tmp);
+ // lb(arr) - from (- start + 1)
tmp = fold_build2_loc (input_location, MINUS_EXPR,
TREE_TYPE (base), tmp, from);
+ if (onebased && toonebased)
+ {
+ tmp = fold_build2_loc (input_location, MINUS_EXPR,
+ TREE_TYPE (base), tmp, start);
+ tmp = fold_build2_loc (input_location, PLUS_EXPR,
+ TREE_TYPE (base), tmp,
+ gfc_index_one_node);
+ }
tmp = fold_build2_loc (input_location, MULT_EXPR,
TREE_TYPE (base), tmp,
gfc_conv_array_stride (desc, n));
@@ -7183,12 +7194,13 @@ gfc_conv_expr_descriptor (gfc_se *se, gfc_expr *expr)
/* For class arrays add the class tree into the saved descriptor to
enable getting of _vptr and the like. */
if (expr->expr_type == EXPR_VARIABLE && VAR_P (desc)
- && IS_CLASS_ARRAY (expr->symtree->n.sym)
- && DECL_LANG_SPECIFIC (expr->symtree->n.sym->backend_decl))
+ && IS_CLASS_ARRAY (expr->symtree->n.sym))
{
gfc_allocate_lang_decl (desc);
GFC_DECL_SAVED_DESCRIPTOR (desc) =
- GFC_DECL_SAVED_DESCRIPTOR (expr->symtree->n.sym->backend_decl);
+ DECL_LANG_SPECIFIC (expr->symtree->n.sym->backend_decl) ?
+ GFC_DECL_SAVED_DESCRIPTOR (expr->symtree->n.sym->backend_decl)
+ : expr->symtree->n.sym->backend_decl;
}
if (!se->direct_byref || se->byref_noassign)
{