diff options
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index a54999b..053616d 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1579,7 +1579,10 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2, VEC_free (vn_reference_op_s, heap, newoperands); if (result && is_gimple_min_invariant (result)) - return get_or_alloc_expr_for_constant (result); + { + gcc_assert (!newoperands); + return get_or_alloc_expr_for_constant (result); + } expr = (pre_expr) pool_alloc (pre_expr_pool); expr->kind = REFERENCE; @@ -1599,11 +1602,13 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2, newref = vn_reference_insert_pieces (newvuses, newoperands, result, new_val_id); + newoperands = NULL; PRE_EXPR_REFERENCE (expr) = newref; get_or_alloc_expression_id (expr); } add_to_value (new_val_id, expr); } + VEC_free (vn_reference_op_s, heap, newoperands); phi_trans_add (oldexpr, expr, pred); return expr; } |