diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 2e4f5ae..7b14f26 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -305,8 +305,9 @@ alias_set_subset_of (alias_set_type set1, alias_set_type set2) /* Otherwise, check if set1 is a subset of set2. */ ase = get_alias_set_entry (set2); if (ase != 0 - && (splay_tree_lookup (ase->children, - (splay_tree_key) set1))) + && ((ase->has_zero_child && set1 == 0) + || splay_tree_lookup (ase->children, + (splay_tree_key) set1))) return true; return false; } |