diff options
Diffstat (limited to 'gcc/tree-ssa-uninit.c')
| -rw-r--r-- | gcc/tree-ssa-uninit.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/gcc/tree-ssa-uninit.c b/gcc/tree-ssa-uninit.c index d3a5844..ea3ceb8 100644 --- a/gcc/tree-ssa-uninit.c +++ b/gcc/tree-ssa-uninit.c @@ -1093,19 +1093,21 @@ prune_uninit_phi_opnds_in_unrealizable_paths (gphi *phi, edge opnd_edge; unsigned uninit_opnds2 = compute_uninit_opnds_pos (opnd_def_phi); - pred_chain_union def_preds = vNULL; - bool ok; - gcc_assert (!MASK_EMPTY (uninit_opnds2)); - opnd_edge = gimple_phi_arg_edge (phi, i); - ok = is_use_properly_guarded (phi, - opnd_edge->src, - opnd_def_phi, - uninit_opnds2, - &def_preds, - visited_phis); - destroy_predicate_vecs (&def_preds); - if (!ok) - return false; + if (!MASK_EMPTY (uninit_opnds2)) + { + pred_chain_union def_preds = vNULL; + bool ok; + opnd_edge = gimple_phi_arg_edge (phi, i); + ok = is_use_properly_guarded (phi, + opnd_edge->src, + opnd_def_phi, + uninit_opnds2, + &def_preds, + visited_phis); + destroy_predicate_vecs (&def_preds); + if (!ok) + return false; + } } else return false; |