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[130.44.146.16]) by smtp.gmail.com with ESMTPSA id z6-20020a0cda86000000b0064c9f754794sm940401qvj.86.2023.10.20.13.12.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Oct 2023 13:12:49 -0700 (PDT) Message-ID: <3be93b40-7810-4f10-be04-8b3d78d8e681@redhat.com> Date: Fri, 20 Oct 2023 16:12:48 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] c++: Implement C++26 P2361R6 - Unevaluated strings [PR110342] To: Jakub Jelinek Cc: gcc-patches@gcc.gnu.org References: From: Jason Merrill In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 8/24/23 09:58, Jakub Jelinek wrote: > Hi! > > The following patch implements C++26 unevaluated-string. > As it seems to me just extra pedanticity, it is implemented only for > -std=c++26 or -std=gnu++26 and later and only if -pedantic/-pedantic-errors. Hmm, I assumed it was accepted as a DR, but apparently not. In addition to making things ill-formed, it clarifies that these strings are never converted to the execution character set. Do we support cross-compilation to EBCDIC, which was the motivating context? Jason