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-rw-r--r--gcc/alias.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/gcc/alias.c b/gcc/alias.c
index 7963ece..835ac82 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -601,8 +601,7 @@ objects_must_conflict_p (tree t1, tree t2)
/* Return the outermost parent of component present in the chain of
component references handled by get_inner_reference in T with the
following property:
- - the component is non-addressable, or
- - the parent has alias set zero,
+ - the component is non-addressable
or NULL_TREE if no such parent exists. In the former cases, the alias
set of this parent is the alias set that must be used for T itself. */
@@ -611,10 +610,6 @@ component_uses_parent_alias_set_from (const_tree t)
{
const_tree found = NULL_TREE;
- if (AGGREGATE_TYPE_P (TREE_TYPE (t))
- && TYPE_TYPELESS_STORAGE (TREE_TYPE (t)))
- return const_cast <tree> (t);
-
while (handled_component_p (t))
{
switch (TREE_CODE (t))
@@ -652,9 +647,6 @@ component_uses_parent_alias_set_from (const_tree t)
gcc_unreachable ();
}
- if (get_alias_set (TREE_TYPE (TREE_OPERAND (t, 0))) == 0)
- found = t;
-
t = TREE_OPERAND (t, 0);
}