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Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index a9a658f..4ea9644 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1779,6 +1779,9 @@ dom_opt_leave_block (struct dom_walk_data *walk_data, basic_block bb) && (single_succ_edge (bb)->flags & EDGE_ABNORMAL) == 0 && potentially_threadable_block (single_succ (bb))) { + /* Push a marker on the stack, which thread_across_edge expects + and will remove. */ + VEC_safe_push (tree, heap, const_and_copies_stack, NULL_TREE); dom_thread_across_edge (walk_data, single_succ_edge (bb)); } else if ((last = last_stmt (bb)) |