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-rw-r--r--gcc/tree-cfg.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index 509803c..940df86 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -4283,11 +4283,18 @@ tree_duplicate_bb (basic_block bb)
for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi))
{
tree stmt = bsi_stmt (bsi);
+ tree copy;
if (TREE_CODE (stmt) == LABEL_EXPR)
continue;
- bsi_insert_after (&bsi_tgt, unshare_expr (stmt), BSI_NEW_STMT);
+ copy = unshare_expr (stmt);
+
+ /* Copy also the virtual operands. */
+ get_stmt_ann (copy);
+ copy_virtual_operands (copy, stmt);
+
+ bsi_insert_after (&bsi_tgt, copy, BSI_NEW_STMT);
}
return new_bb;