From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DD80D3858025; Sun, 16 May 2021 09:22:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DD80D3858025 From: "amorvincitomnia.iw at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/100616] [modules] ICE when a variable of class taking a non-type template argument is defined both inside and outside the module Date: Sun, 16 May 2021 09:22:23 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 11.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: amorvincitomnia.iw at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 May 2021 09:22:24 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100616 --- Comment #2 from wang ivor --- One workaround I found is to always use templates to refer to C inside modu= les and only ever instantiate them in the outermost translation units.=20 Or, if you only instantiate C with template arguments of primitive types (e= .g. int, char, pointer types of primitive types, etc.) this bug doesn't happen.=