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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/79786] ICE tree check: expected class 'type', have
 'declaration' (var_decl) in iamcu_alignment, at config/i386/i386.c:30263
Date: Fri, 13 Aug 2021 21:56:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D79786

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|target                      |c++

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Simple fix:
diff --git a/gcc/cp/rtti.c b/gcc/cp/rtti.c
index fcb33088a21..a2705f1ca9f 100644
--- a/gcc/cp/rtti.c
+++ b/gcc/cp/rtti.c
@@ -1682,7 +1682,7 @@ emit_tinfo_decl (tree decl)
       /* Avoid targets optionally bumping up the alignment to improve
         vector instruction accesses, tinfo are never accessed this way.  */
 #ifdef DATA_ABI_ALIGNMENT
-      SET_DECL_ALIGN (decl, DATA_ABI_ALIGNMENT (decl, TYPE_ALIGN (TREE_TYPE
(decl))));
+      SET_DECL_ALIGN (decl, DATA_ABI_ALIGNMENT (TREE_TYPE (decl), TYPE_ALI=
GN
(TREE_TYPE (decl))));
       DECL_USER_ALIGN (decl) =3D true;
 #endif
       return true;


if anyone cares about iamcu and RTTI, please take this patch over.=