diff options
Diffstat (limited to 'gcc/tree-iterator.c')
| -rw-r--r-- | gcc/tree-iterator.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/tree-iterator.c b/gcc/tree-iterator.c index 7913bdad7c8..3c2acd38ea7 100644 --- a/gcc/tree-iterator.c +++ b/gcc/tree-iterator.c @@ -110,8 +110,11 @@ tsi_link_before (tree_stmt_iterator *i, tree t, enum tsi_iterator_update mode) } else { - gcc_assert (!STATEMENT_LIST_TAIL (i->container)); - STATEMENT_LIST_HEAD (i->container) = head; + head->prev = STATEMENT_LIST_TAIL (i->container); + if (head->prev) + head->prev->next = head; + else + STATEMENT_LIST_HEAD (i->container) = head; STATEMENT_LIST_TAIL (i->container) = tail; } @@ -127,7 +130,6 @@ tsi_link_before (tree_stmt_iterator *i, tree t, enum tsi_iterator_update mode) i->ptr = tail; break; case TSI_SAME_STMT: - gcc_assert (cur); break; } } |