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https://github.com/archlinuxarm/PKGBUILDs.git
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48 lines
1.7 KiB
Diff
48 lines
1.7 KiB
Diff
--- a/gcc/fortran/trans-expr.c
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+++ a/gcc/fortran/trans-expr.c
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@@ -6897,6 +6897,30 @@ alloc_scalar_allocatable_for_subcomponent_assignment (stmtblock_t *block,
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TREE_TYPE (tmp), tmp,
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fold_convert (TREE_TYPE (tmp), size));
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}
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+ else if (cm->ts.type == BT_CLASS)
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+ {
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+ gcc_assert (expr2->ts.type == BT_CLASS || expr2->ts.type == BT_DERIVED);
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+ if (expr2->ts.type == BT_DERIVED)
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+ {
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+ tmp = gfc_get_symbol_decl (gfc_find_vtab (&expr2->ts));
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+ tmp = gfc_build_addr_expr (NULL_TREE, tmp);
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+ size = fold_convert (size_type_node, gfc_vptr_size_get (tmp));
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+ }
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+ else
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+ {
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+ gfc_expr *e2vtab;
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+ gfc_se se;
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+ e2vtab = gfc_find_and_cut_at_last_class_ref (expr2);
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+ gfc_add_vptr_component (e2vtab);
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+ gfc_add_size_component (e2vtab);
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+ gfc_init_se (&se, NULL);
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+ gfc_conv_expr (&se, e2vtab);
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+ gfc_add_block_to_block (block, &se.pre);
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+ size = fold_convert (size_type_node, se.expr);
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+ gfc_free_expr (e2vtab);
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+ }
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+ size_in_bytes = size;
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+ }
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else
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{
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/* Otherwise use the length in bytes of the rhs. */
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@@ -7068,6 +7092,14 @@ gfc_trans_subcomponent_assign (tree dest, gfc_component * cm, gfc_expr * expr,
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tmp = gfc_build_memcpy_call (tmp, se.expr, size);
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gfc_add_expr_to_block (&block, tmp);
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}
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+ else if (cm->ts.type == BT_CLASS && expr->ts.type == BT_CLASS)
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+ {
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+ tmp = gfc_copy_class_to_class (se.expr, dest, integer_one_node,
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+ CLASS_DATA (cm)->attr.unlimited_polymorphic);
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+ gfc_add_expr_to_block (&block, tmp);
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+ gfc_add_modify (&block, gfc_class_vptr_get (dest),
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+ gfc_class_vptr_get (se.expr));
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+ }
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else
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gfc_add_modify (&block, tmp,
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fold_convert (TREE_TYPE (tmp), se.expr));
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