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From: Richard Biener <rguenth@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-1875] middle-end/106457 - improve array_at_struct_end_p for array objects Date: Thu, 28 Jul 2022 12:35:54 +0000 (GMT) [thread overview] Message-ID: <20220728123554.BAAF03856DFA@sourceware.org> (raw) https://gcc.gnu.org/g:ff26f0ba68fe6e870f315d0601b596f889b89680 commit r13-1875-gff26f0ba68fe6e870f315d0601b596f889b89680 Author: Richard Biener <rguenther@suse.de> Date: Thu Jul 28 10:07:32 2022 +0200 middle-end/106457 - improve array_at_struct_end_p for array objects Array references to array objects are never at struct end. PR middle-end/106457 * tree.cc (array_at_struct_end_p): Handle array objects specially. Diff: --- 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;
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