[PATCH] middle-end/112732 - stray TYPE_ALIAS_SET in type variant

[Richard Biener]

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.

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

        PR middle-end/112732
        * tree.cc (build_opaque_vector_type): Reset TYPE_ALIAS_SET
        of the newly built type.
---
 gcc/tree.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree.cc b/gcc/tree.cc
index e9f703e7237..10c6e1ecc58 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -10274,6 +10274,8 @@ 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;
 }
 
-- 
2.35.3