diff options
Diffstat (limited to 'gcc/alias.c')
-rw-r--r-- | gcc/alias.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 451f8f3dee5..1e4c4d19e69 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -769,6 +769,10 @@ reference_alias_ptr_type_1 (tree *t) tree reference_alias_ptr_type (tree t) { + /* If the frontend assigns this alias-set zero, preserve that. */ + if (lang_hooks.get_alias_set (t) == 0) + return ptr_type_node; + tree ptype = reference_alias_ptr_type_1 (&t); /* If there is a given pointer type for aliasing purposes, return it. */ if (ptype != NULL_TREE) |