[PATCH] middle-end/106457 - improve array_at_struct_end_p for array objects

[Richard Biener via Gcc-patches]

Array references to array objects are never at struct end.

Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.

        PR middle-end/106457
        * tree.cc (array_at_struct_end_p): Handle array objects
        specially.
---
 gcc/tree.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/tree.cc b/gcc/tree.cc
index 84000dd8b69..fed1434d141 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -12778,6 +12778,10 @@ array_at_struct_end_p (tree ref)
       && DECL_SIZE_UNIT (ref)
       && TREE_CODE (DECL_SIZE_UNIT (ref)) == INTEGER_CST)
     {
+      /* If the object itself is the array it is not at struct end.  */
+      if (DECL_P (ref_to_array))
+       return false;
+
       /* Check whether the array domain covers all of the available
          padding.  */
       poly_int64 offset;
-- 
2.35.3