From b46486ef0316240eb3c173bda062b52333507e03 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Tue, 28 Nov 2023 12:36:21 +0100 Subject: [PATCH] middle-end/112732 - stray TYPE_ALIAS_SET in type variant The following fixes a stray TYPE_ALIAS_SET in a type variant built by build_opaque_vector_type which is diagnosed by type checking enabled with -flto. PR middle-end/112732 * tree.cc (build_opaque_vector_type): Reset TYPE_ALIAS_SET of the newly built type. (cherry picked from commit f26d68d5d128c86faaceeb81b1e8f22254ad53df) --- gcc/tree.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/tree.cc b/gcc/tree.cc index ead4c1421cdd..6b28eb9f10d5 100644 --- a/gcc/tree.cc +++ b/gcc/tree.cc @@ -10124,6 +10124,8 @@ build_opaque_vector_type (tree innertype, poly_int64 nunits) TYPE_NEXT_VARIANT (cand) = TYPE_NEXT_VARIANT (t); TYPE_NEXT_VARIANT (t) = cand; TYPE_MAIN_VARIANT (cand) = TYPE_MAIN_VARIANT (t); + /* Type variants have no alias set defined. */ + TYPE_ALIAS_SET (cand) = -1; return cand; } -- 2.47.2