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GET /api/1.1/patches/2233373/?format=api
{ "id": 2233373, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2233373/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260506085339.325517-3-jwakely@redhat.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.1/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260506085339.325517-3-jwakely@redhat.com>", "date": "2026-05-06T08:48:06", "name": "[v2,3/3] libstdc++: Remove non-concepts fallback for std::make_shared_for_overwrite", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "dc328511fbc4fdf62b6105cc6c787b72cf078914", "submitter": { "id": 48004, "url": "http://patchwork.ozlabs.org/api/1.1/people/48004/?format=api", "name": "Jonathan Wakely", "email": "jwakely@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260506085339.325517-3-jwakely@redhat.com/mbox/", "series": [ { "id": 502950, "url": "http://patchwork.ozlabs.org/api/1.1/series/502950/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=502950", "date": "2026-05-06T08:48:05", "name": "[v2,1/3] libstdc++: Replace uses of EBO with [[no_unique_address]]", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/502950/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2233373/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2233373/checks/", "tags": {}, "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) 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[10.30.177.111])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id 87C8D195608B; Wed, 6 May 2026 08:53:45 +0000 (UTC)", "from zen.kayari.org (unknown [10.44.32.38])\n by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id 553FA1801A63; Wed, 6 May 2026 08:53:44 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org E98894BA2E09", "OpenDKIM Filter v2.11.0 sourceware.org 78AD14BA23F7" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 78AD14BA23F7", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 78AD14BA23F7", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1778057630; cv=none;\n 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to:to:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=7YMcrYGsYjFRMCVes65DZs6dkd+vY2WBqAQcmyM9wNc=;\n b=CQavv0QNsKLUEJSu/xqVHTKW9BGIR3Ao3xAecUBZ5CuXQyzoqhLGNfsOKg/vbk2Yy073/w\n FYBZIlY7jBcwQn9N/1X3fP5fQg/qze9THFj1032Q6Bz8W4GkiEPvFegcPGGUJ0ub8q1irY\n pTYQkP5peEF8fmVZm7hZfH2TOIDcN+c=", "X-MC-Unique": "di0fuDr6Mdmntzc1Eo4PTQ-1", "X-Mimecast-MFC-AGG-ID": "di0fuDr6Mdmntzc1Eo4PTQ_1778057625", "From": "Jonathan Wakely <jwakely@redhat.com>", "To": "gcc-patches@gcc.gnu.org,\n\tlibstdc++@gcc.gnu.org", "Subject": "[PATCH v2 3/3] libstdc++: Remove non-concepts fallback for\n std::make_shared_for_overwrite", "Date": "Wed, 6 May 2026 09:48:06 +0100", "Message-ID": "<20260506085339.325517-3-jwakely@redhat.com>", "In-Reply-To": "<20260506085339.325517-1-jwakely@redhat.com>", "References": "<20260506085339.325517-1-jwakely@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.111", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "YC9EtSohpqAOr-d1Je6jNaew9DE90P_9gJRALzt3nVU_1778057625", "X-Mimecast-Originator": "redhat.com", "Content-Type": "text/plain", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "Clang 10 added support for concepts, so we no longer need to support\nC++20 compilers that don't define __cpp_concepts.\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/bits/shared_ptr.h (_UnboundedArray, _BoundedArray)\n\t(_NotUnboundedArray): Remove fallback definition for C++20\n\tcompilers that don't define __cpp_concepts.\n\t* include/bits/shared_ptr_base.h (_Sp_counted_ptr_inplace):\n\tRemove fallback declaration of _Sp_overwrite_tag partial\n\tspecialization.\n---\n\nv2: Unchanged, just rebased on PATCH v2 2/3.\n\nTested x86_64-linux.\n\n libstdc++-v3/include/bits/shared_ptr.h | 18 ------------------\n libstdc++-v3/include/bits/shared_ptr_base.h | 5 -----\n 2 files changed, 23 deletions(-)", "diff": "diff --git a/libstdc++-v3/include/bits/shared_ptr.h b/libstdc++-v3/include/bits/shared_ptr.h\nindex fd00384df223..ada32d3d3cb9 100644\n--- a/libstdc++-v3/include/bits/shared_ptr.h\n+++ b/libstdc++-v3/include/bits/shared_ptr.h\n@@ -114,38 +114,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n \n #if __glibcxx_shared_ptr_arrays >= 201707L\n // Constraint for overloads taking array types with unknown bound, U[].\n-#if __cpp_concepts\n template<typename _Tp>\n requires is_array_v<_Tp> && (extent_v<_Tp> == 0)\n using _UnboundedArray = _Tp;\n-#else\n- template<typename _Tp>\n- using _UnboundedArray\n- = __enable_if_t<__is_array_unknown_bounds<_Tp>::value, _Tp>;\n-#endif\n \n // Constraint for overloads taking array types with known bound, U[N].\n-#if __cpp_concepts\n template<typename _Tp>\n requires (extent_v<_Tp> != 0)\n using _BoundedArray = _Tp;\n-#else\n- template<typename _Tp>\n- using _BoundedArray\n- = __enable_if_t<__is_array_known_bounds<_Tp>::value, _Tp>;\n-#endif\n \n #if __glibcxx_smart_ptr_for_overwrite\n // Constraint for overloads taking either non-array or bounded array, U[N].\n-#if __cpp_concepts\n template<typename _Tp>\n requires (!is_array_v<_Tp>) || (extent_v<_Tp> != 0)\n using _NotUnboundedArray = _Tp;\n-#else\n- template<typename _Tp>\n- using _NotUnboundedArray\n- = __enable_if_t<!__is_array_unknown_bounds<_Tp>::value, _Tp>;\n-#endif\n #endif // smart_ptr_for_overwrite\n #endif // shared_ptr_arrays\n \ndiff --git a/libstdc++-v3/include/bits/shared_ptr_base.h b/libstdc++-v3/include/bits/shared_ptr_base.h\nindex 01fd57180ecc..7366f1e04702 100644\n--- a/libstdc++-v3/include/bits/shared_ptr_base.h\n+++ b/libstdc++-v3/include/bits/shared_ptr_base.h\n@@ -696,14 +696,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n // Partial specialization used for make_shared_for_overwrite<non-array>().\n // This partial specialization is used when the allocator's value type\n // is the special _Sp_overwrite_tag type.\n-#if __cpp_concepts\n template<typename _Tp, typename _Alloc, _Lock_policy _Lp>\n requires is_same_v<typename _Alloc::value_type, _Sp_overwrite_tag>\n class _Sp_counted_ptr_inplace<_Tp, _Alloc, _Lp> final\n-#else\n- template<typename _Tp, template<typename> class _Alloc, _Lock_policy _Lp>\n- class _Sp_counted_ptr_inplace<_Tp, _Alloc<_Sp_overwrite_tag>, _Lp> final\n-#endif\n : public _Sp_counted_base<_Lp>\n {\n [[no_unique_address]] _Alloc _M_alloc;\n", "prefixes": [ "v2", "3/3" ] }