diff options
Diffstat (limited to 'gcc/value-relation.cc')
| -rw-r--r-- | gcc/value-relation.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/value-relation.cc b/gcc/value-relation.cc index f2c668a..8fea4aa 100644 --- a/gcc/value-relation.cc +++ b/gcc/value-relation.cc @@ -274,9 +274,12 @@ relation_oracle::valid_equivs (bitmap b, const_bitmap equivs, basic_block bb) EXECUTE_IF_SET_IN_BITMAP (equivs, 0, i, bi) { tree ssa = ssa_name (i); - const_bitmap ssa_equiv = equiv_set (ssa, bb); - if (ssa_equiv == equivs) - bitmap_set_bit (b, i); + if (ssa && !SSA_NAME_IN_FREE_LIST (ssa)) + { + const_bitmap ssa_equiv = equiv_set (ssa, bb); + if (ssa_equiv == equivs) + bitmap_set_bit (b, i); + } } } |