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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/97430] [10/11 Regression] internal compiler error: in verify_ctor_sanity, at cp/constexpr.c:3884
Date: Thu, 15 Oct 2020 04:03:38 +0000	[thread overview]
Message-ID: <bug-97430-4-LG9bInhmMt@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-97430-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97430

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
This ought to fix it, though it's completely untested:

--- a/gcc/cp/constexpr.c
+++ b/gcc/cp/constexpr.c
@@ -3661,6 +3661,10 @@ cxx_eval_array_reference (const constexpr_ctx *ctx, tree
t,
     {
       tree empty_ctor = build_constructor (init_list_type_node, NULL);
       val = digest_init (elem_type, empty_ctor, tf_warning_or_error);
+      constexpr_ctx new_ctx = *ctx;
+      new_ctx.ctor = build_constructor (elem_type, NULL);
+      new_ctx.object = NULL_TREE;
+      ctx = &new_ctx;
     }
   else
     val = build_value_init (elem_type, tf_warning_or_error);

  parent reply	other threads:[~2020-10-15  4:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-14 23:43 [Bug c++/97430] New: " jfrech.bugzilla at gmail dot com
2020-10-14 23:54 ` [Bug c++/97430] [10/11 Regression] " mpolacek at gcc dot gnu.org
2020-10-15  1:48 ` mpolacek at gcc dot gnu.org
2020-10-15  3:04 ` mpolacek at gcc dot gnu.org
2020-10-15  4:03 ` mpolacek at gcc dot gnu.org [this message]
2020-10-15  4:07 ` mpolacek at gcc dot gnu.org
2020-10-15  7:25 ` rguenth at gcc dot gnu.org
2020-10-15 14:05 ` mpolacek at gcc dot gnu.org

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