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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/96194] [10/11 Regression] ICE in assign_temp, at function.c:984 during RTL pass: expand
Date: Tue, 14 Jul 2020 11:09:24 +0000	[thread overview]
Message-ID: <bug-96194-4-ZjDG6O7jDS@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-96194-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96194

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
--- gcc/expr.c.jj       2020-07-13 19:09:33.173872178 +0200
+++ gcc/expr.c  2020-07-14 13:07:26.228801996 +0200
@@ -8382,7 +8382,9 @@ expand_constructor (tree exp, rtx target
       || GET_CODE (target) == PARALLEL || modifier == EXPAND_STACK_PARM
       /* Also make a temporary if the store is to volatile memory, to
         avoid individual accesses to aggregate members.  */
-      || (GET_CODE (target) == MEM && MEM_VOLATILE_P (target)))
+      || (GET_CODE (target) == MEM
+         && MEM_VOLATILE_P (target)
+         && !TREE_ADDRESSABLE (TREE_TYPE (exp))))
     {
       if (avoid_temp_mem)
        return NULL_RTX;
fixes this - even when volatile, for non-POD types the middle-end may not
create temporaries period.

  parent reply	other threads:[~2020-07-14 11:09 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14  8:12 [Bug c++/96194] New: 10.1.1: " manuel.lauss at googlemail dot com
2020-07-14 10:53 ` [Bug middle-end/96194] " jakub at gcc dot gnu.org
2020-07-14 11:02 ` [Bug middle-end/96194] [10/11 Regression] " jakub at gcc dot gnu.org
2020-07-14 11:09 ` jakub at gcc dot gnu.org [this message]
2020-07-14 11:10 ` jakub at gcc dot gnu.org
2020-07-14 11:22 ` jakub at gcc dot gnu.org
2020-07-14 12:03 ` manuel.lauss at googlemail dot com
2020-07-14 14:03 ` cvs-commit at gcc dot gnu.org
2020-07-14 14:04 ` cvs-commit at gcc dot gnu.org
2020-07-14 14:08 ` jakub at gcc dot gnu.org
2020-07-23  1:29 ` hp at gcc dot gnu.org

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